Complete this punnett square

Enter your answer in the space provided



Each Square is worth 1 point.

1.
2.
3.
4.

Answer:

1.  True

2.  class-order-family

3.  genus-species

Explanation:

Final answer:

True, living things are classified by common characteristics. The levels of classification include Kingdom, Phylum, Class, Order, Family, Genus, and Species. 'Class', 'Order', and 'Family' are correct answers; 'Homo sapiens' is the binomial name for humans; and a 'kingdom' is a taxon within a domain.

Explanation:

1. The statement that living things are classified by the characteristics they have in common is true. Living organisms are grouped based on shared features, which helps scientists communicate about them and better understand their relationships and evolutionary history.

2. The seven major levels of classification include Kingdom, Phylum, Class, Order, Family, Genus, and Species. Therefore, Class, Order, Family are also major levels of classification, whereas 'Level' is not a recognized category in this context. Genus and Species are the two other levels alongside the ones mentioned.

3. In the binomial nomenclature, Homo sapiens is the correct scientific name for humans, where Homo is the genus and sapiens is the species.

4. A kingdom is correctly defined as a taxon within the broader category of a domain.

5. Lastly, similar classes are grouped into a Phylum in the Linnaean system of classification.

Answer:

B.

Explanation:

This is because of the base pairing rule in DNA. Guanine (G) pairs with Cytosine(C) while Adenine(A) pairs with Thiamine (T). Therefore, the amount of G will relatively be generally equal l to that of C while that of A will be generally equal to that of T.

Chargaff's rule states that in a species' DNA, the amounts of adenine and thymine are roughly the same, as are the amounts of guanine and cytosine. The rule applies to both eukaryotes and prokaryotes. However, the relative proportions of A+T compared to G+C can vary significantly between species.

Chargaff's rule, named after biochemist Erwin Chargaff, tells us that in DNA the amounts of guanine (G) and cytosine (C) are roughly the same, and the amounts of adenine (A) and thymine (T) are approximately equal. This applies to both eukaryotes and prokaryotes. The correct response to your multiple choice question is option B: 'the relative amounts of G+C and A+T vary by species'.

For example, some species may have a higher proportion of A+T compared to G+C, or vice versa. However, within a species, the G≈C and A≈T relationships hold true. Note that this rule calculates relative quantities of these nucleotides within the entire genome and not per single DNA strand.

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Answer:

B. The mold must be producing a chemical that killed the bacteria.

Explanation:

This is a commonsense explanation rather than a scientific explanation but, it can't be A or B since that makes no sense... and C wouldn't be correct because the bacteria dies and if the answer would be C then why did the bacteria die if the bacteria killed the mold?

The answer would be B :)

Answer:

Both bacteria and blue algae are prokaryote organisms, meaning that they do not have a differentiated nucleus, and therefore they are more primitive. But blue algae are able to perform photosynthesis and so we can believe that the first forms of life on Earth date even further back than 3 and a half billion years ago.

Explanation:

The earliest organisms to evolve were single-celled prokaryotes such as bacteria and archaea. These organisms emerged around 3.5 billion years ago and played a crucial role in the development of more complex forms of life.

The earliest organisms to evolve were single-celled prokaryotes such as bacteria and archaea. These organisms are believed to have emerged on Earth around 3.5 billion years ago. They were able to survive and thrive in diverse environments, leading to the development of more complex forms of life over time.

For example, cyanobacteria, a type of bacteria, played a crucial role in the evolution of our atmosphere by producing oxygen through photosynthesis. This paved the way for the emergence of more complex organisms, including eukaryotes.

Overall, the early organisms that evolved were simple and unicellular, laying the foundation for the diversity of life we see today.

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this is an opinion. we cant make an opinion for you. just state the pros and cons of animal testing and your overall opinion on it.

wood- renewable resource that can be burned

oil- spills can destroy aquatic ecosystems

hydroelectric power- uses the kinetic energy of water

nuclear power- creates radioactive waste

coal- burning releases CO2 into the air

Answer:

wood- a renewable resource that can be burned

oil- spills can destroy aquatic ecosystems

hydroelectric power- uses the kinetic energy of water

nuclear power- creates radioactive waste

coal- burning releases CO2 into the air

Explanation:

Answer:

c

Explanation:

The reason being that a virus is spread, like influenza. You cant kill this, but when you have a stomach bug, most of viruses are killed, but a lot of bacteria is also killed

As bacteria respond to antibiotics and viruses do not, option B. is the correct option.

Antibiotics can not kill viruses because viruses have different physical structures and are known to replicate in a different way than bacteria.

Antibiotics work by targeting the growth machinery in bacteria and not viruses which kills or inhibit that particular bacteria.

Talking about it structurally, an antibiotic can not kill a virus with a completely different replicating “action”.

Hence, as bacteria respond to antibiotics and viruses do not, option B. is the correct option..

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Answer: A.  PULMONARY VALUE

              B.  TRICUSPID VALUE

              C.  SEPTUM

              D.  BICUSPID VALUE

              E.  AORTIC VALUE

              F.  AORTA

Explanation:

Heart is the organ responsible for pumping blood throughout the body. Label A is pulmonary valve, Label B is tricuspid valve, Label C is septum, Label D is bicuspid valve, Label E is aortic valve and Label F is aorta.

Valves regulate the flow of blood coming from and to the heart. There are four valves in heart. These are as follows:

Septum is the tissue that separates left and right ventricles while aorta is the main artery which carry blood from heart to tissues.

Thus, label A is pulmonary valve, label B is tricuspid valve, label C is septum, label D is bicuspid valve, label E is aortic valve and label F is aorta.

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Explanation: The allele for black is B and the allele for white is W. The heterozygous phenotype is known as erminette.

Answer:

Number 1 is warm and moist

Explanation:

The skeletal movements of muscles are mostly voluntary. That is why skeletal muscle is also called voluntary muscle. Their action is normally controlled by an individual's will.

Final answer:

Wind is a renewable resource that can be replenished naturally at a pace that matches or exceeds its usage by humans, making it sustainable and inexhaustible. Other examples are sunlight and tidal movements, all harnessed for alternative energy sources.

Explanation:

An example of a renewable resource is wind. Wind is a natural resource that is replenished by natural processes at a rate that is equal to or faster than it is consumed by humans. It is harnessed through wind turbines for energy development and is considered an alternative energy source that is sustainable and in no danger of being used up. Other examples of renewable resources include sunlight, which can be captured for solar power, and the movement of ocean tides, which can also be tapped for energy.

Unlike nonrenewable resources such as coal, which exist in fixed amounts and can be depleted, renewable resources like wind, sunlight, and the kinetic energy of water can be utilized repeatedly without running out. In addition to wind and solar energy, sustainable materials like wood, cork, bamboo, and certain crops can be considered renewable if they are managed in a way that allows them to regenerate and meet the needs of both present and future generations.

Answer:

The snake population will increase

Explanation:

The snake population will increase will increase because the mice will have more feed which will cause the mice population to increase. if the mice population increases than the snakes would have more food, so their population will also increase.

When the crop will plentiful, the snake population will increase. The correct option is A.

A food chain is a chain that includes the transfer of energy from one level to another level. All animals and plants are connected to each other by the food chain.

As, the snake feed on mice, if the crops will increase the population of mice increase, and when the population of mice increases the snake population will also increase indirectly.

Thus, the correct option is A: the snake population will increase.

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Answer: Polymerization

Explanation:

because....

The formation of large molecules takes place by the addition of smaller molecules together. These small molecules are called as monomers and larger molecule formed by the addition of these monomers are called as polymer.

The process of formation of polymer from monomers is known as polymerization.

* therefor, the correct answer is Polymerization.

* Hopefully this helps:) Mark me the brainliest:)!!!

Through polymerization, larger molecules are formed.

Polymerization is a chemical reaction in which relatively small molecules, known as monomers, combine to form a very big chainlike or network molecule, known as a polymer.

Polymerization resulted in huge molecules. The process of polymerization is the creation of polymers. These polymers are then used to create a variety of plastic goods. Smaller molecules, known as monomers or building blocks, are chemically joined to form larger molecules, or macromolecules, during polymerization.

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Answer:

Could you please add more to the question? I'd love to help you.

The ecological role of animals includes contributing to their ecosystems, maintaining their internal environments, and certain important species helping maintain ecological balance. Changes in energy or matter availability can affect their ecosystem and biodiversity levels can be maintained through measures like habitat restoration and conservation efforts.

The ecological role of an animal can range from being key contributors to their ecosystems, like pollinators of plants, to being a part of complex food chains. They also maintain their internal environments using mechanisms like negative feedback. Certain species, which are termed as keystone species, play a critical role in maintaining ecological balance, for example, the reintroduction of wolves in Yellowstone Park led to an increase in biodiversity.

Animals also impact their surrounding environment and ecosystem. Changes in energy availability or matter in an ecosystem can result in significant effects on all organisms within the ecosystem. For instance, a decrease in available prey can reduce predator populations. To ensure the survival of multiple species and retain the biodiversity levels, measures such as habitat restoration can be taken. Efforts include the reintroduction of extinct species into their habitats and creation of conservation areas.

Lastly, humans also play a significant role in conservation and creating public awareness through institutions like zoos and through roles like ecologists who undertake various efforts to manage natural resources and develop environmentally sound policies.

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Answer:In contrast to a mitotic division, which yields two identical diploid daughter cells, the end result of meiosis is haploid daughter cells with chromosomal combinations different from those originally present in the parent. In sperm cells, four haploid gametes are produced.

Explanation:

Meiotic cell division plays a critical role in the production of gametes, which are sperm and egg cells. This process which involves one round of DNA replication and two rounds of cell division results in four haploid cells from an original diploid cell, significantly contributing to genetic diversity in human reproduction.

Meiotic cell division results in the production of gametes, specifically sperm and egg cells, through a process known as gametogenesis which includes spermatogenesis and oogenesis. The process begins with a diploid cell, which undergoes meiotic cell division to create haploid cells. These cells contain half the number of chromosomes as the original cell (23 instead of 46 in humans).

In the first stage of meiosis, the 23 pairs of chromosomes separate, creating two cells. During the second stage of meiosis, each of the 23 replicated chromosomes divides, again. This results in four cells each having half the number of chromosomes, thereby leading to the formation of haploid cells, specifically spermatids in sperm.

Finally, a process called spermiogenesis transforms these spermatids, reducing the cytoplasm, and starting the formation of true sperm. The creation of eggs, or oogenesis, follows a similar process. These processes are essential steps in human reproduction and genetic diversity.

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Answer:

B)Photosynthesis releases oxygen into the atmosphere while aerobic respiration removes oxygen from the atmosphere.

Explanation:

Only option B satisfies the answer to the question.

We know that photosynthesis is the process whereby green plants manufacture their foods in the presence of carbon dioxide and sunlight. Carbondioxie in the environment is used to manufacture food in plants. The bye product of photosynthesis is oxygen gas. Oxygen gas is used for aerobic respiration in animals and is essential for their life. This way photosynthesis adds to the pool of oxygen in the atmosphere and aerobic respiration removes from the pool.

Answer:

B

Explanation:

it's the only answer that fully answers this question. and i took the test

the awnser is carbon dioxide.

Answer:

◎ oxygen

◎ calcium

◎ carbon tetrachloride

◉ carbon dioxide

Explanation:

Once animals die, they release carbon compounds into the atmosphere and into the ground as they decompose.

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I'm pretty sure the answer is B. Invest in alternative energy sources that do not burn fossil fuels. The reason I would pick B is because in Antarctica the ice is melting more and more over time because, cars and factors etc are burning fuels which result in more damage to the ozone layer.

Answer:

B

Explanation:

Answer:

Kind of late but RNA codes for proteins.

Explanation:

long answer

DNA is transcribed to RNA and then mRNA (messinger RNA) with the help of ribosomes and tRNA (transfer RNA) add amino acids into a polypeptide chain (a linear line of amino acids) which then folds into a protein

The three main components are phosphate, deoxyribose, and four nitrogenous bases

The deoxyribose is a sugar

and the the 4 nitrogen bases are adenine, guanine, cytosine, and thymine.

Answer:

Cumulus is the cloud that resembles a puffy thing.

Explanation:

Answer:

puffy ​cloud is discussed below.

Explanation:

Answer:

When the cell becomes too large, the DNA cannot keep up with demands.

Explanation:

What is DNA Overload :

As the cell grows, the demands are placed on the cell's DNA. If this ratio gets too low, the cell cannot efficiently move materials in & out of the cytoplasm. This process is called DNA overload.

THE CELL CYCLE

Cell cycle is a series of cellular events during which the cell grows, prepares for division & then divides.

Cell Growth and Division

When the cell becomes large,  DNA and the more trouble the cell has moving enough nutrients and wastes across the cell membrane.

Answer:

Option B, Adults out competing offspring for resources

Explanation:

In a symbiotic relationship two species/organisms live together in a mutual relationship in which either

a)  Both of the species get benefitted

b) One of the species get benefitted and the other species get harmed

c) One of the species get benefitted and the other species is neither harmed nor benefited.

In this case , the worm with in the cow's body get benefited while the cow herself gets harmed as her food is stolen.

Hence, option B is correct.

Answer:

It has a greater length to reduce the effort as more the distance between the fulcrum and point of action more is the moment of force and hence the effort applied will be less.

The metal is harder than fabric, so, with longer handles the scissors can apply more force than would be needed for soft fabric.

Answer:

Egg Cells and Sperm Cells

Explanation:

Gametes are sex cells.

Answer:

Deletion of two nucleotides.

Explanation:

Every amino acid coded by 3 nucleotides.

12:3=4 (amino acids)

6:3=2 (2 amino acids)

3:3=1 (1 amino acid)

After all of these mutations sequence amino acids change, but after continues stay the same.

Only deletion of 2 nucleotides will completely altered all amino acids encoded without mutation.

A frameshift mutation, altering all subsequent amino acids, can be caused by the deletion of two nucleotides or the insertion of a number of nucleotides not divisible by three.

In the context of DNA sequencing, a mutation that changes all amino acids following the point of mutation is characterized as a frameshift mutation. This type of mutation is caused by the insertion or deletion of nucleotides in a DNA sequence that is not divisible by three. The options which could cause a frameshift mutation are either a deletion of two nucleotides or an insertion of a number of nucleotides not divisible by three (for instance, an insertion of six nucleotides would not cause a frameshift mutation as it's divisible by three, but an insertion of twelve nucleotides also wouldn't cause a frameshift mutation for the same reason). Thus, the correct answer would be a deletion of two nucleotides.

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Answer:

Arteries carry oxygen-rich blood away from the heart.

Explanation:

Blood vessels are part of our circulatory system and help in the blood distribution in whole body. There are 3 types of Blood vessals.

1. Arteries

2. Veins

3. Capillaries

Arteries are the vessels that carry the oxygen rich blood from the heart to the other parts of the body. While veins have the de-oxygenated blood. Capillaries are very small vessels that are the site of transfer between cell and blood. Nutrients from blood for example glucose are transferred to the cells.

Answer:

The correct answer is option A, that is, plucking.

Explanation:

Quarrying also considered as plucking refers to a glacial process, which is accountable for the transportation and erosion of the single fragments of bedrock mainly the large joint blocks. With the movement of the glacier down in a valley, the friction makes the basal ice of the glacier to infiltrate and melt the joints in the bedrock.

Answer:

Amount of calories in that butter is 4500cal

Explanation:

It's relatively simple:

You already have energy density(energy divided by mass)

You already have butter density (mass divided by volume)

And you have dimensions of that butter

From those dimensions (5cmx5cmx20cm) you can calculate the volume, which is 500cm³. Then, using that volume you can calculate the mass (density = mass / volume, which means that mass = density * volume) and that is 450g. Now that you have the mass, you can calculate the amount of calories in that butter (energy density = energy/mass, which means that energy = mass * energy density) and that is 4500cal.