Which group could the plant belong to? Check all that apply.
A. Bryophytes
B. Pteridophytes
C. Gymnosperms
D. Angiosperms
E. Monocots
F. Dicots

Answer:

mass

Explanation:

represents the mass of an object

Answer:

The blowfish or argonaut octopus inspired the structure of submarine ballast tank

Explanation:

A submarine can be usually referred to as a submersible warship that is constructed in such a way that it can be operated at a great depth below the sea or oceans, and is mainly used for defense purposes.

This submarine is comprised of a ballast tank, and as it dives, the ballast tanks are occupied by water and the air present inside this ballast tank is allowed to move out until the overall density becomes larger than the surrounding water, resulting in the sinking of the submarine.

This ballast tank structure was inspired by the aquatic fish namely the blowfish or argonaut, whose body resembles the shape of a submarine.

Answer:

A genus ranks just above the species in an organism's taxonomic hierarchy. A genus is made up of any number of species, while a species is composed of any number of subspecies or breeds.

Explanation:

Answer:

alot of difference

Explanation:

Answer:

Figure it out yourself

Explanation:

Answer:

It works by going throught the uterus lining then it goes to the umbilical cord then it goes to tbe placenta

Computer model of the enzyme will help researcher investigate its reaction specificity, the effect of alteration or concentration, kinetics of the reaction.

Explanation:

Maltase enzyme is found in saliva and pancreatic juices. Its function is to convert maltose into simpler absorbing form glucose in the process of digestion.

Computer model of enzymes are studied and observed for below-mentioned reasons:

The substrate-enzyme complex pf maltase can be studied to know the specificity of the enzyme.

Chemical structure of the maltase enzyme can be known.

The Activation energy of maltase enzyme can be known.

Enzyme kinetics of the maltase will be studied.

Concept of allosteric sites is studied.

The effect of a mutation on the enzyme can be studied.

The effect of change in concentrations of enzymes or substrate could be studied.

A computer model of the Maltese enzyme could help the researcher to investigate the substrate specificity and reaction kinetics of the enzyme.

It is an enzyme that converts maltose or malt sugar into glucose. It is found in saliva and pancreatic juice.

A computer model of enzyme can help the researcher in the following ways,

Therefore, a computer model of the Maltese enzyme could help the researcher to investigate the substrate specificity and reaction kinetics of the enzyme.

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The biosphere includes all the living organisms on the planet

Explanation:

Answer:

Gregor Mendel

Explanation:

It wasn't until 1865 that an Augustinian Monk named Gregor Mendel found that individual traits are determined by discrete "factors," later known as genes, which are inherited from the parents. His rigorous approach transformed agricultural breeding from an art to a science.

Answer:

B. Animals do not use carbon dioxide as an energy source; they use carbohydrates.

Explanation:

The most readily form of energy that an animal requires is carbohydrate molecules. Monosaccharide carbohydrates can be easily broken down and hence are the best sources of energy. Carbohydrates are broken down in the process of cellular respiration to generate ATP. ATP is the energy driving molecule which is required by every cell of an organisms body to carry out its normal metabolic functions. Hence, animals use carbohydrates as a source of energy, not carbon dioxide.

Final answer:

B. Animals do not use carbon dioxide as an energy source; they use carbohydrates. During respiration, animals then release carbon dioxide back into the atmosphere, correcting the step in Sierra's diagram.

Explanation:

The step in Sierra's diagram that needs correction is the statement that an animal consumes the carbon dioxide in the plant and uses it as a source of energy before exhaling it back into the atmosphere. The correct process is that animals consume the carbohydrates in the plants, not carbon dioxide, and these carbohydrates are then used as a source of energy. When animals respire, they release carbon dioxide back into the atmosphere, completing the carbon cycle.

The phenomenon at location B on the map can range from erosion, acid rain, crystallization or glacier formation. Which happens depends on location B's environmental, geological and climatic circumstances.

The phenomenon that occurs at location B on the map can include a variety of geographical and environmental processes depending on the characteristics of that location. Examples of these phenomena can be erosion, acid rain, crystallization, and glacier formation. Let's discuss each one briefly.

Erosion is the process where natural forces like water, wind, and ice break down rocks and soil. It's an integral part of the geomorphological process that reshapes the Earth's features. Acid rain occurs when sulfur dioxide and nitrogen oxides are released into the atmosphere, interact with water and other chemicals to form acidic pollutants that fall to the earth, causing harm to the environment and human-made structures.

Crystallization is a process by which a solid forms, where the atoms or molecules are highly structured into a structure known as a crystal. Some of the ways by which crystals form in nature is from mineral solutions within the Earth's crust or at the Earth's surface. Glacier formation happens when snow remains in one location long enough to transform into ice. Over many years, layers of snowfall compress and turn into dense, flowing ice that we know as glaciers.

The precise process that occurs at location B would be determined by factors such as climate, geological structure, and human influence among others.

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Answer:HE, he, He,

Explanation: not hE because that is a recessive trait, not dominant

A human heterozygous for hair color (Hh) and eye color (Ee) can produce four different combinations of alleles through meiosis: HE, He, hE, and he. These combinations account for the different potential gametes that can be formed, which will ultimately influence the genetic traits of offspring.

Inheritance of traits such as hair color and eye color in humans can provide interesting insights into genetics. When a person is heterozygous for two traits, such as hair color (Hh) and eye color (Ee), located on different loci of the same chromosome, several combinations of alleles can be produced through meiosis. Meiosis is a process of cell division that reduces the chromosome number by half and leads to the production of gametes (sperm or eggs). The resulting gametes will contain one allele for each gene - either H or h for hair color and E or e for eye color.

In the given scenario, without crossing over, four possible combinations of these alleles can result from meiosis in a heterozygous individual:

However, if crossing over occurs between these genes during meiosis, there could be additional combinations of alleles in the gametes. In reality, eye color and hair color are examples of polygenic inheritance, meaning that multiple genes influence these traits. Despite this complexity, understanding the basic genetic principles is valuable for studying how traits are passed from one generation to the next.

Answer: farms, laundry detergent‘s,pet waste, water treatment plants

Explanation:

The primary sources of nutrient pollution mentioned in the video are the overuse of artificial fertilizers, industrialization, urbanization, and the biomagnification of harmful substances in aquatic food webs.

The video mentions several sources of nutrient pollution that have a significant impact on aquatic ecosystems. One of the primary sources is the inappropriate use and overuse of artificial fertilizers in both agricultural and residential settings. These fertilizers are rich in nitrogen and phosphorus compounds, which can leach into drainage systems and end up in lakes and coastal marine ecosystems.

Another major source of nutrient pollution underlined is industrialization and urbanization. Elements of human waste, chemicals, and heat stemming from concentrated human settlements contribute significantly to water pollution. Food production methods that require liberal use of nitrogen and pesticides result in these substances re-entering the water system, further proliferating nutrient pollution.

The video also addresses pollution that occurs through human activities' excessive introduction of naturally limited nutrients like iron, nitrogen, and phosphorus to aquatic ecosystems. The video highlighted the biomagnification of substances such as polychlorinated biphenyls (PCBs) and heavy metals (mercury, lead, cadmium) in aquatic food webs, which can adversely affect human health.

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Answer:C) whales have lunges and breath air

Explanation:

Whales does not breathe air or extract oxygen that dissolve in water through gills or directly through skins like other aquatic animals.

Unlike fish that has gills (feathery organ full of blood vessels) that helps it breathe by taking water into its mouth and forcing it out through the gill passages.

Whales has lungs and breathe through the nostrils called a blowhole, located right on top of their heads, whales have two blow holes (with exception of sperm whales)

Answer:

C) whales have lungs and breath air

Explanation:

Final answer:

After fertilization, the zygote undergoes mitotic divisions through a process called cleavage. By day four, it forms a solid ball of cells known as the morula. With further divisions and the formation of a fluid-filled cavity, it becomes a blastocyst.

Explanation:

The first cell formed after fertilization is called the zygote. This single cell undergoes a process known as cleavage, which involves several mitotic divisions that increase the number of cells without increasing the overall size. By approximately the second day after fertilization, the zygote has divided to form two cells, and these mitotic divisions continue every 12 to 24 hours. By day four, the cells arrange into a solid ball called a morula. Eventually, more divisions occur, and a fluid-filled cavity forms, transforming the structure into a blastocyst, which consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast, with the cavity being the blastocoel.

Final answer:

The most likely geological process at a location with reddish sandstone is the formation of arches due to weathering and erosion, not the formation of sinkholes which are common in limestone regions, nor due to glacial movement.

Explanation:

At a location with huge reddish sandstone rocks, the likely geological process to occur is the formation of arches due to weathering and erosion. This occurs because wind, water, heat, and cold all contribute to the weathering of rocks, breaking them down into smaller pieces. Over time, weathering and erosion can lead to the creation of unique geological formations such as arches, where non-resistant rock gets worn away, leaving more durable materials behind to form the arch.

Sinkholes, on the other hand, commonly form in areas of limestone where water erosion and chemical weathering can create subterranean voids that eventually collapse, which is not the typical process for the formation of features in sandstone environments. Furthermore, sandstones do not typically form due to glacial movement, as they are a result of sediment deposition in environments where oxygen is present, which leads to their reddish color.

Answer:

Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water. This glucose can be converted into pyruvate which releases adenosine triphosphate (ATP) by cellular respiration. Oxygen is also formed.

Explanation:

Step 1-Light Dependent. CO2 and H2O enter the leaf.

Step 2- Light Dependent. Light hits the pigment in the membrane of a thylakoid, splitting the H2O into O2.

Step 3- Light Dependent. The electrons move down to enzymes.

Step 4-Light Dependent. ...

Step 5-Light independent. ...

Step 6-Light independent.

Answer:

Fossils are used to determine the ages of rock layers.Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in.

Explanation:

I think there is an answer that might be helpful. Well, you may copy and paste if necessary: The story commence in Boston in 1773. Johnny Tremain, a fourteen-year-old silversmith’s trainee worked for Mr. Lapham, an elderly silversmith, and reside in his house with Mrs. Lapham, the silversmith’s daughter-in-law, and Mrs. Lapham’s four daughters. Johnny is diligent, helpful and he is a leader in the household. Dove, a senior trainee, dislikes him for this which at times make him pick up a quarrel with johnny. From the onset of the novel, the devout Mr. Lapham encouraged Johnny to study a Bible verse about the peril of pride. 

Later on, John Hancock, a wealthy merchant, went to place an order for a ornamental sugar basin to go along with his current silverware. Johnny is fascinated by the work on the current set and is amazed to know that Mr. Lapham produced it in his youth. Since Mr. Lapham is aging and is not as skilled as before, Johnny needs to help him to produce the sugar basin. 

That partucular night, Johnny started walking on the Long Wharf with Cilla and Isannah, the two youngest Lapham daughters.

Johnny carried his shape of the sugar basin to Paul Revere, a master silversmith, for his opinion. Mr. Revere offered him some ideas on how to make the basin more attractive. Johnny is in a rush to have the finishing work done to the handle before it Mr. Hancock is set to collect it on Monday, so with the aid of Mrs. Lapham, he works on it on Sunday (of which he ought not to do since it is the Sabbath). Dove and Dusty Miller, the younger apprentice, are ought to help Johnny. But on the other hand, they are upset by his arrogant behaviour so they give him a fractured crucible to place the melted silver in. Initially, The prank ought to be a daft rational joke to humble Johnny a little, but he spatter melted silver all over himself and seriously burned his hand. Mrs. Lapham Mrs. Lapham employs Gran’ Hopper, a midwife, to take care of Johnny, but she couldn't keep his hand level so it twist in on itself and turn out to be hopeless. Johnny can never be a silversmith now. 

Answer:

The correct option is A) Yes, the evidence supports the hypothesis.

Explanation:

In the field of scientific research, a hypothesis can be described as a tentative statement which can either be proved right or wrong based on the results form the experiments we perform.

As the results from the experiment showed that the ball which was thrown from a greater height had a greater speed, hence this means that the evidence from the experiment supported the hypothesis.

Answer:

The correct option is D) The population of fish in Location B will decrease because the water is contaminated.

Explanation:

Excessive use of pesticides and fertilizer has very toxic effects on the wild life of the nearby oceans and seas. The toxic elements of the pesticides and fertilizers get eroded into the nearby lakes and rivers due to situations like flood etc. When such toxic elements and compounds enter the lakes and rivers, they cause the death of the fishes and other organisms present in the sea as they are poisonous. This causes that population of the fishes to decline.

Answer:

The population of fish in Location B will decrease because the water is contaminated.

Explanation:

by using pesticides and fertilizers to get rid of bugs eating your plants, the pesticides and fertilizers will stay in the air until blown or have fallen into whatever water source it could have fallen into, and contaminate that water source, whether close or far.

It allows different kinds of organisms to be easily identified based on their characteristics

Explanation:

Classification is defined as the grouping of organisms based on their similarities and dissimilarities. The main aim of classification is to simplify the study of vast range of animals that exist in nature.

The scientists use a standardized method in which they follow a set of rules while studying and assigning a taxonomic rank to a newly studied organism.

The taxonomic hierarchy includes the following taxon-Kingdom, phylum,class, order, family, genus, species.

Beginning from Kingdom the percentage of similarities among the members keep on increasing while we move towards  species.

A taxonomical rank is assigned to an organism by studying the similarities of that organism with already existing members of that taxonomic group.

Since, few characters are already studied well while classifying the earlier members the study and classification of new organism becomes much simplified and easier.

Answer:

It allows different kinds of organisms to be easily identified based on their characteristics

Explanation:

got it right in study island :>

" The correct option is A. The correct climatic zone where Douglas fir, redwood, spruce, and cedar trees would be found is A. marine west coast.

These trees are adapted to survive in areas with heavy precipitation, which is a characteristic of the marine west coast climate. This climate is dominated by the oceanic climate and is typically found on the western sides of continents between the latitudes of 40° and 60°. It is characterized by mild winters, cool summers, and abundant rainfall throughout the year, which is ideal for the growth of these types of trees.

On the other hand, the humid subtropical climate (C) does have significant rainfall, but it also features hot summers and generally experiences more seasonal variation in precipitation, which may not be as suitable for these specific tree species. The Mediterranean climate (B) is known for its dry summers and wet winters, which is not consistent with the conditions preferred by these trees. The steppes climate (D) is semi-arid with low precipitation, which would not support the growth of these trees that are adapted to heavy precipitation.

Therefore, the marine west coast climate (A) is the most appropriate choice for the habitat of Douglas fir, redwood, spruce, and cedar trees."

The given statement is false.

The statement "False" indicates that the Greenhouse Effect is not inherently terrible for the planet Earth and its environments. While the natural Greenhouse Effect is essential for maintaining a habitable temperature on Earth by trapping some of the sun's heat, concerns arise due to human activities contributing to an enhanced Greenhouse Effect.

Human-induced emissions, particularly of greenhouse gases like carbon dioxide, methane, and nitrous oxide, intensify the natural warming effect. This anthropogenic impact leads to global warming and climate change, causing adverse effects on ecosystems, weather patterns, and sea levels. Thus, it is the intensified, human-driven Greenhouse Effect that poses environmental challenges rather than the natural Greenhouse Effect itself. Hence ,the given statement is false.

Complete question:

The Greenhouse Effect is terrible for the planet Earth and the environments contained here.

True

False

Answer:

The gene that appears more in the family tree is dominant

The gene that appears less is recessive.

It seems that all the white shapes are dominant and the black shapes are recessive.

Answer: b

Explanation:

Changes in mitosis, crossing over, random fertilization and random arrangement in meiosis.

Explanation:

Genetic diversity of sexually reproducing organisms are controlled by many factors and they are - changes in mitosis, crossing over, random fertilization and random arrangement in meiosis.

During crossing over, the sister chromatids of homologous chromosome crossover and exchange their genes which leads to recombination eventually causing genetic diversity.

Random fertilization of male and female gametes leads to the formation of zygote having the genetic content of both maternal and paternal gametes causing variation.

Environmental factors also causes some change in with time.

Sexual reproduction increases genetic diversity through crossing-over, independent assortment, and the random union of gametes, leading to offspring that are genetically unique from their parents.

The process of sexual reproduction is critical to the genetic diversity of sexually reproducing organisms. Several factors contribute to this diversity:

Crossing-over during meiosis allows for the exchange of genetic material between homologous chromosomes, creating new combinations of genes.

Independent assortment of chromosomes during meiosis results in gametes with various possible combinations of chromosomes, contributing to genetic variation.

The random union of gametes ensures that each zygote (fertilized egg) has a unique genetic makeup, further promoting genetic diversity.

These mechanisms ensure that offspring have a combination of alleles and genes that are different from both parents, providing a wealth of genetic variation that forms the basis for evolutionary adaptation and the capacity of species to survive changes in the environment.

Answer:

B. Clams and squid have been evolving separately for a shorter time than clams and snails.

Explanation:

A molecular clock is a genetic tool often used in Evolutionary Biology which states that the genetic material and proteins evolve over time at a relatively constant rate. Therefore, the differences in their genome depend on the common ancestor both species share.

In this case, clams and squid are more closely related than clams and snails. Therefore, they have been evolving separately for a shorter time than clams and snails.

Answer:

The correct answer is [tex]\frac{1}{16}[/tex]  or zero, depending on the fathers genotype.

Explanation:

                                   DF             Df             dF            df

                     DF       DDFF         DDFf        DdFF        DdFf

                                 (D/F)           (D/F)         (D/F)         (D/F)

                     Df        DDFf           DDff         DdFf        Ddff

                                  (D/F)          (D/NF)       (D/F)        (D/NF)

                     dF        DdFF          DdFf        ddFF        ddFf

                                  (D/F)           (D/F)        (L/F)          (L/F)

                      df        DdFf            Ddff         ddFf         ddff

                                 (D/F)            (D/NF)      (L/F)          (L/NF)      

The electrical charge of atom is equal to -4.

An atom consists of protons, electrons and neutrons as its elementary particles of which:

When an atom has its number of protons equal to the number of electrons, the total charge on the atom is zero and it is termed as a neutral atom.

Given:

Number of protons : [tex]n_p = 16[/tex]

Number of neutrons : [tex]n_n = 14[/tex]

Number of electrons : [tex]n_e = 20[/tex]

Since, [tex]n_p \neq n_e[/tex], the atom is not neutral and has some electrical charge present.

Number of protons = Number of positive charges = + 16

Number of electrons = Number of negative charges = - 20

Since,

Total charge = (Number of positive charges) + (Number of negative charges)

[tex]= [( + 16 ) + ( - 20)] = (-4)[/tex]

OR

Total charge = Number of protons - Number of electrons

[tex]n_p-n_e = 16 - 20 = -4[/tex]

Therefore, the electrical charge of atom is equal to (-4).