Answer: Producers
Explanation: Photosynthetic organisms use the green pigment called chlorophyll to manufacture their own food in the presence of sunlight, carbon dioxide and water. These organisms are called producers or autotrophs.
A cruise ship makes its way from one island to another. The ship is in motion compared with which reference point
Answer:
Light house
Explanation:
When a cruise ship makes its way from one island to another. The ship is in motion is always compared with the a light house on a near by island as it serves as a guiding hand and acts as a reference point for ships coming from different island.
Regardless of an object's position in space, its _______ remains constant.
mass
weight
Answer:
Mass
Explanation:
on usatestprep
Which statement best describes the energy in this
system?
A.The potential energy in the system is greatest at X.
B.The kinetic energy in the system is greatest at X.
C.Total energy in the system decreases as the ball moves from X to Y.
D.Total energy in the system increases as the ball moves from X to Y.
Answer:
A-The potential energy in the system is greatest at X.
Explanation:
The potential energy in the system is greatest at X.
Answer:
A-The potential energy in the system is greatest at X.
explain
The potential energy in the system is greatest at X.
How are cells like little
Rooms and how are they different?
Answer:
Robert Hooke was the first person to examine a slice of cork under a microscope. He saw little boxes or rooms and hence, gave the name cells to the structure. He called them cells because their structure was similar to small rooms which were called cells by the monks. Hence, cells are similar to little rooms in the structure.
However, there are many differences between the two as cells are living things but little rooms are non- living things. Each cell comprises of the same organelles whereas little rooms might not have the same components.
What are nucleobases?
A.harmful substances found in the environment
B.nitrogen molecules that create the DNA sequence
C.special and unique enzymes used in DNA replication
D.genetic information that is passed down to offspring
Answer:
B
Explanation:
Nucleobases, also known as nitrogenous bases or often simply bases, are nitrogen-containing biological compounds that form nucleosides, which in turn are components of nucleotides, with all of these monomers constituting the basic building blocks of nucleic acids.
100 points and brainliest
Name and Describe the 3 Classifications of Protists and What are three different ways that you can describe a protist?
Answer:
Protists are classified into three categories on the basis of their mode nutrition. They are as under.
1) Algae : Algae is made up of single cell having true nucleus. They are found in those places where water is present. They make their own food like plants.
2) Protozoa : Protozoa is also made of one cell and have true nucleus. They feed on another animals.
3) Fungus like protists : It is a type of protists which feeds on dead bodies of plants and animals.
1) Protists are organisms which are made up of single cell.
2) Protists are eukaryotes i. e. having true nucleus.
3) Protist have some characteristics of animals, plants and fungus.
When too much water has accumulated
Answer:
Too much water accumulation leads to a condition called as water intoxication.
Explanation:
Drinking too much water leads to a condition called water intoxication or water poisoning. This happens because the concentration of water becomes such abundant in a person's body that it dilutes the concentration of electrolytes like sodium in the blood. This causes a disruption in the functioning of the brain hence leading to the death of the person. Various such scenarios have been observed in athletes drinking too much water.
will an object denser than water float or sink
Answer: An object denser than water will sink in water.
Explanation: The ability of an object to float or sink in water depends on its density. An object that is denser or heavier than water will sink in water while an object that is less dense or lighter than water will float in water. For example a piece of stone will sink in water because it is denser than water while a plastic container will float in water because it is less dense than water.
Energy ______ takes place within cells
Answer: Respiration
Explanation:
Respiration is the process of chemical energy stored in food which occurs through various enzyme controlled reactions. Some of the energy generated is stored as adenosine triphosphate (ATP) Hence, chemical energy from food is converted to chemical energy in the cell which the cell stores as ATP
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The African snail is a large snail that eats at least 500 different types of plants and is one of the top 100 invasive species in
world. What is the most likely way the snail was introduced into Florida?
A small animal was carrying one on its fur.
A boy brought a pair home as pets.
Two swam across the ocean.
One stuck to an airplane's wing.
Answer:
A boy brought a pair home as pets.
Explanation:
As small organisms will not have any major adaptations for moving quickly or flying to whole another country, hence it is not possible for the snail to travel from Africa to Florida with small animals. Getting stuck on the airplane wing is also not correct as they would have been wiped out by the wind pressure or might have not be able to survive. Hence, the most logical explanation for the snail to get transported to Florida is by a boy who might have brought them as a pet.
If short is recessive to tall, provide the symbol representation and the phenotype for each of the genotype for this trait.
Answer:
Genotype can be described as the genetic constitution present in an organism. Phenotype can be described as the physical characteristics which appear in an organism.
The following symbol representation and phenotypes might arise as a result of these genotypes:
A) homozygous dominant: The symbol representation will be TT, the phenotype will be tall plants.
B) Heterozygous: The symbol representation will be Tt, the phenotype will be tall plants.
C) Homozygous recessive: The symbol representation will be tt, the phenotype will be short plants.
3. Describe the functions of each of the eleven organ systems.
Answer:
Explanation:
integumentary- protection, produce vitamin d
reproductive- produce offspring
nervous-take messages in, process them, send messages out
endocrine-control body chemically by producing hormones
digestive-absorb nutrients and calories
cardiovascular-move stuff around the body
respiratory-take in O2 gas and get rid of CO2
immune-fight off invaders
skeletal-provide a framework and protect vital organs
muscular-allow movement
urinary- remove waste and control water balance
Final answer:
The eleven organ systems include the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic and immune, respiratory, digestive, urinary, and reproductive systems. Each has specific functions such as protection, support, movement, coordination, hormone production, circulation, defense, respiration, digestion, waste elimination, and reproduction, respectively.
Explanation:
Functions of the Eleven Organ Systems
The human body comprises various organ systems, each with specialized functions. These organ systems facilitate essential life processes, including organization, metabolism, movement, development, and reproduction. The eleven organ systems are as follows:
Integumentary System: Protects the body, regulates temperature, and provides sensory information.
Skeletal System: Supports the body, protects internal organs, and facilitates movement through the attachment of muscles.
Muscular System: Enables movement of the body and internal organs, maintains posture, and generates heat.
Nervous System: Processes sensory information, controls responses to external and internal stimuli, and coordinates bodily functions.
Endocrine System: Produces hormones that regulate body activities, such as growth, metabolism, and reproduction.
Cardiovascular System: Circulates blood throughout the body, delivering oxygen and nutrients to cells while removing waste products.
Lymphatic and Immune System: Defends against pathogens, returns leaked fluids to the bloodstream, and helps in the absorption of fats and fat-soluble nutrients.
Respiratory System: Facilitates the exchange of gases (oxygen and carbon dioxide) between the external environment and blood.
Digestive System: Breaks down food into nutrients that can be absorbed into the body, and eliminates waste.
Urinary System: Removes waste products from the blood, regulates blood volume and pressure, and controls fluid and electrolyte balance.
Reproductive System: Produces and transports sex cells, with the female system also providing an environment for the development of a fetus.
Many organs belong to more than one system, highlighting the interconnectivity of the body's functioning.
Examine the leaves of a palm tree.
Which statement most specifically describes a palm tree?
Palm trees are dicots.
Palm trees are monocots.
Palm trees are angiosperms.
Palm trees are flowering plants.
Answer:
b
Expla!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer: the correct answer is b.
Explanation: i don’t know how to explain it but i found it in my notes i wrote down
How long does it take minerals to form
Answer:
I don't think there is any way to know :/ but they can take seconds to years.
Gel electrophoresis is often used in forensics. Look at the gel on the right. From the evidence DNA, which individual matches the DNA evidence left at the crime scene?
Answer:
Suspect #2 matches the evidence.
Explanation:
Gel Electrophoresis can be described as a molecular biology technique which is used to separate DNA, RNA and proteins based on their molecular sizes. Usually the different samples of the DNA are compared to a standard sample to see which of the suspected samples matches with the standard one.
In the diagram above, the bands from the gel electrophoresis show that the suspect 2 has the most similarities with the standard DNA sequence taken from the crime scene. Hence, he might be the culprit.
Gel electrophoresis is a technique used in forensic science to compare DNA samples by separating DNA fragments according to size. DNA is loaded into an agarose gel and subjected to an electric field, allowing smaller fragments to move faster towards the positive electrode. Stained bands showing DNA fragments are compared to identify matching DNA profiles.
Explanation:Gel electrophoresis is a powerful technique in forensic science for analyzing DNA samples. When a DNA sample from a crime scene is compared to samples from individuals, the process involves several steps. First, DNA is extracted from bodily fluids such as blood, semen, or saliva. The extracted DNA is treated with restriction enzymes and amplified using the Polymerase Chain Reaction (PCR). This mixture of DNA fragments and restriction enzymes is loaded into wells on an agarose gel, and an electric current is applied. The DNA moves towards the positive side of the gel since DNA molecules are negatively charged due to their phosphate backbone. Smaller DNA fragments move more rapidly through the gel matrix and will be located further towards the positive electrode, while larger fragments will migrate more slowly and be closer to the wells.
After electrophoresis, bands are stained using a DNA-specific dye like ethidium bromide to visualize the DNA segments. The pattern of bands is what constitutes a DNA fingerprint, with each band representing DNA fragments of varying sizes. The individual whose DNA pattern matches that of the evidence left at the crime scene is considered to have a matching DNA profile. The DNA patterns are analyzed by comparing the position and size of bands. Typically, a DNA ladder containing fragments of known sizes is used as a reference to determine the size of the DNA fragments present in the sample.
Why is it necessary for the genetic material in a cell to exist in chromatin form during normal cellular activity, and not in chromosome form?
Answer/ Explanation:
Chromosomes are highly condensed and compact structures. This means the chromatin (protein plus DNA complex) is hierarchically organised into tight structures through progressive folding of chromatin.
However, this is only the case during cell division. When the cell is in interphase and performing its normal duties, it is in a much more decondensed structure. This is because in order for transcription to occur, the cell needs to be able to access the information in the DNA. For example, transcription factors need to bind at their gene promoters to promote transcription.
When the DNA is folded into chromosomes, cellular factors do not have access to the genetic information due to the physical constraints of the chromatin structure.
How far could you speed walk in 10 minutes based on your speed for the 10 m trial show your work?
Remy is smoking too closely to a building that manufactures fertilizer. When he puts out his cigarette near the hazardous waste, it sparks a fire because the fertilizer is flammable. What kind of hazard did the chemical waste cause?
The chemical waste from the fertilizer manufacturing plant caused a fire hazard in this scenario.
Flammability: The fact that the chemical waste from the fertilizer manufacturing plant caught fire when Remy put out his cigarette indicates that the waste is flammable. Flammable materials are substances that can easily ignite and sustain combustion when exposed to a heat source or open flame.
Ignition Source: Remy's cigarette butt, acting as an ignition source, was sufficient to trigger a fire in the presence of the flammable chemical waste.
Fire Hazard: The term "fire hazard" refers to the potential for a fire to occur due to the presence of materials that can easily catch fire or support combustion. In this case, the chemical waste from the fertilizer plant posed a fire hazard, and its ignition led to a fire.
It's important to handle and dispose of flammable materials and chemical waste in a safe and regulated manner to prevent such incidents and minimize the risk of fires.
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Similarities Among Organisms
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Which statement is accurate about the number of genes in different species of living things?
O The more complex a living thing the more chromosomes it is likely to have
The more complex a living thing the fewer chromosomes it is likely to have
O Amouse and a human have about the same number of genes.
O All living things have about the same number of genes.
Please help. I will give brainliest.
Answer:
The correct option is C) A mouse and a human have about the same number of genes.
Explanation:
The technique of genetic sequencing has enable us to learn and compare thee genomes of different organisms. Genome sequencing proves that the genome of the humans and mice are about 99 percent similar. The number of genes in the mouse genome and the genome of humans is almost equal.
Other options, like option A, cannot be true because many complex organisms have fewer chromosomes than other organisms. For example, there are many simple plants which have more number of chromosomes than the complex humans.
What is the study of thermodynamics?
Thermodynamics is the study of heat flow.
a p e x
The study of heat flow. Therefore option A is correct.
Thermodynamics is the scientific study of the relationship between heat and energy transfer within a system.
It explores the principles that govern the conversion of energy and the transfer of heat between different substances.
Thermodynamics delves into how thermal energy flows from a higher-temperature region to a lower-temperature region and how it can be harnessed to perform work.
This field of study is crucial for understanding the behavior of matter and energy, as well as for designing and analyzing various processes and systems, such as engines, power plants, and refrigeration systems.
Thermodynamics is foundational to physics and engineering and has broad applications in numerous scientific and technological areas.
Therefore option A is correct.
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Your question is incomplete, but most probably your full question was.
What is the study of thermodynamics?
A. The study of heat flow
B. The study of the nucleus
C. The study of electric fields
D. The study of organic matter
During cellular respiration, the bonds of food molecules are broken, so energy can be released to fuel other cellular processes. In order for this to occur, which of the following statements must be true?
A.
The new compounds that are formed must be more complex than the food molecules that were broken down.
B.
New compounds with lower-energy bonds must be formed when the high-energy bonds in food molecules are broken.
C.
New compounds with higher-energy bonds must be formed when the low-energy bonds in food molecules are broken.
D.
The energy in the new compounds that are formed must be equal to the energy in the bonds of the food molecules.
Answer:
Chemical potential energy is stored in glucose's carbohydrate bonds, and these bonds can be broken to fuel the production of ATP. Energy in ATP can then be used to perform cellular work.Explanation:
Letter:B
During cellular respiration, high-energy bonds in food molecules are broken to form new compounds with lower-energy bonds, like ATP. The energy released during this process powers various cell functions. The correct option is B.
Explanation:In the process of cellular respiration, the correct option is B: New compounds with lower-energy bonds must be formed when the high-energy bonds in food molecules are broken. This is because energy is released when high-energy bonds in glucose or other food molecules are broken during cellular respiration. The energy that is released is then used to synthesize ATP, a molecule with lower-energy bonds. ATP can then be used by the cell for energy-demanding processes. ATP serves as the 'energy currency' of the cell, providing a ready source of energy that powers numerous cellular functions.
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Which statement best describes the crust?
Answer:
Outermost layer of the Earth
Explanation:
The crust is Earth's outermost layer, comprised of continental and oceanic types, with varying densities and compositions. It is the site of earthquakes due to its brittle nature and contains valuable mineral resources and fossil fuels.
The crust is the outermost layer of Earth, characterized by its low density and higher concentrations of lighter elements like silicon, aluminum, calcium, sodium, and potassium. It forms only about 1 percent of Earth's mass and 2 percent of its volume. There are two primary types of crust: the continental crust, which is thicker, less dense, and similar in composition to granite; and the oceanic crust, which is thinner, denser, and similar in composition to basalt. The crust is where we find the majority of earthquakes, which generally occur in the uppermost, more brittle layers.
The lithosphere includes the crust and the uppermost part of the mantle, with the crust itself being broken up into tectonic plates that float on the mantle and move a few centimetres per year. This motion can create new crust at mid-ocean ridges and recycle old crust back into the mantle at subduction zones. The crust is where we find all of our mineral resources and fossil fuels, making it of great interest for human activities.
In the natural carbon cycle, the ocean influences climate by controlling CO2 levels primarily through ________________ and _______________.
Answer:
In the natural carbon cycle, the ocean influences climate by controlling CO2 levels primarily through biological activity and massive geological events.
Explanation:
Carbon flows in an interchange across each reservoir called the carbon cycle, which has gradual and rapid components. Any cycle shift which moves carbon from one reservoir places more carbon in another reservoirs.Changes that bring carbon dioxide into the environment contribute to higher Earth temperatures.
The carbon cycle appears to keep the balance over the long term that prohibits all Earth's carbon from atmospheric entry or being deposited entirely in rocks. That equilibrium helps to keep the temperature on Earth fairly stable, just like a thermostat.
ABO blood grouping of humans is an example of co-dominance. Homozygotes (IAIA and 1815) express either the A or the B
phenotype. Heterozygotes (1215) express both phenotypes equally and the IAB individual has blood type AB. Blood type O is
the result of the genotype 1°1°: this blood type is considered the recessive trait and is the recessive allele for blood type.
Consider the genetic cross for blood type of these two parents. The father is type A and the mother is type B. Both have the
recessive allele for blood type 0. What is the probability that these parents will have offspring with type A blood?
red flowered plant and white flouvared lant is an ayamole
Answer:
In ABO blood grouping of humans, when the genotype that determines the type of blood contains the recessive O gene in the parents, a father with a blood type A and a mother with a type B will have a 25% chance of having a offspring with type A blood.
Explanation:
Blood type is determined by the presence or absence of surface antigens A and B.
Type A contains antigen A and its genotype can be A | A or A | O. Type B contains the B antigen, whose genotype can be B | B or B | O. Blood type AB contains both antigens and a single genotypic expression A | B Type O blood lacks surface antigens.In the case raised, the parents, type A (A | O) and B (B | O) will have an offspring:
Alleles A O
B A|B B|O
O A|A O|O
This shows that the chances of having a offspring with a blood type A is 25%.
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Answer:
25%
Explanation:
i jus know
plants can’t walk and animals can’t use the sun to make energy. agree/disagree? why?
Answer:
Agree, because plants cannot walk and have roots in the dirt to help them grow as well as photosynthsis. Animals can't do photosynthsis like plants can, animals have to eat to gain energy as well as sleeping.
Explanation:
Pictured above is the brain viewed at midline at 3 months of age. Differentiate between the functions of the thalamus and the pons of a human brain.
A) The pons plays a key role in sleep and dreaming. The thalamus assists with the storage of long term memories.
B) The pons controls our reactions out of fear and how we react to certain stimuli. The thalamus helps us maintain a constant body temperature.
C) The pons is responsible for relaying messages between the two hemispheres of the brain.
The thalamus plays a role in consciousness and sleep.
D) The pons helps relay messages between the cortex and the cerebellum. The thalamus directs different sensory information to the different parts and lobes of the cortex.
Answer:
The correct statement is Option D) The pons helps relay messages between the cortex and the cerebellum. The thalamus directs different sensory information to the different parts and lobes of the cortex.
Explanation:
The thalamus is a part of brain which is present between two parts of the brain i. e. cerebral cortex and the midbrain. The function of thalamus is to carry relay motor signals to cerebral cortex while pons is a part of hind brain that carry relay signals from the forebrain to the cerebellum.
Answer:
I think option D) is the answer just took the test on usa test prep.
Part of stratosphere contains a gas that blocks about 99% of the dangerous ultraviolet rays that reach the Earth from the Sun.
Image courtesy of the U.S. EPA
This portion of the stratosphere if known as the _______.
A.
tropopause
B.
mesosphere
C.
thermosphere
D.
ozone layer
Ozone layer is the correct answer
• What do homeobox genes code for in animals?
Homeobox genes contain a particular DNA sequence that provides instructions for making a string of 60 protein building blocks (amino acids) known as the homeodomain. Most homeodomain-containing proteins act as transcription factors, which means they bind to and control the activity of other genes.
the cause of the phases of the moon is a cycle that is close to blank long
28 days
It takes our Moon about 28 days to complete one cycle of phases (from new Moon to new Moon).
Answer:
28 days
Explanation:
what kind of problems will we face if our body had no muscles
Answer:
musculer system is important part of our body. Muscles hold our bones together and helps them to move.
so if we don’t have muscles in our body, we won’t be able to move. we won’t be able to open and close our mouth. eyes etc. we can’t move our any body part.
no smile, no cry, and even we would not be able to breathe.
Explanation: