Questions about natural selection

Answer: B

Explanation: Quizzez:)

Student 1 believes Kingdom A is bacteria because it is unicellular and prokaryotic. Student 2 believes that Kingdom B is animal because it is eukaryotic and heterotrophic.

In biological classification, a kingdom is the second highest taxonomic rank below domain. It is used to group organisms based on their similarities and differences in characteristics and traits. The system of classification, known as Linnaean taxonomy, categorizes living things into five kingdoms: Monera, Protista, Fungi, Plantae, and Animalia.

Each kingdom is defined by specific characteristics such as cell structure, mode of nutrition, and reproductive strategies. For example, the Monera kingdom consists of unicellular organisms with prokaryotic cells, while the Plantae kingdom includes multicellular organisms that produce their own food through photosynthesis.

The kingdom level of classification helps scientists understand the relationships and diversity of living organisms, which is important for fields such as ecology, evolutionary biology, and biotechnology.

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Answer:

Phylum

Explanation:

Just look for the one word that's repeated throughout all 4 animals' column, then look to the left and pick the taxon it belongs to.

Answer:

C

Explanation:

Sunrflower is plant

Answer:

C. Sunflower

Explanation:

As we know that plants are the producers hence here in the given options Sunflower is the appropriate answer.

Answer:

The nervous system takes in information through our senses, processes the information and triggers reactions, such as making your muscles move or causing you to feel pain. For example, if you touch a hot plate, you reflexively pull back your hand and your nerves simultaneously send pain signals to your brain.

Explanation:

I hope that helps

Answer:

hope help you stay happy and safe

When the Earth moves, the angle at which sunlight hits different places on Earth at the same time of day changes because the Earth is tilted.

Earth's rotation or Earth's spin is defined as the rotation of the planet Earth around its axis as well as the change in the orientation of the axis of rotation in space. When viewed from Polaris, the north pole star, the Earth rotates in the east facing east, the Earth rotates counterclockwise.

When the heading of the particular place is towards the Sun, there is warm temperature which is called as the summer when the heading of the same place is away from the Sun, there is cold temperature which is called as the winter.

Thus, when the Earth moves, the angle at which sunlight hits different places on Earth at the same time of day changes because the Earth is tilted.

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Answer:

If green house gas emissions do not decrease the globe will increasingly get warmer. The sun's heat enters the atmosphere, some heat will escape, some will be trapped. Carbon dioxide causes the heat to remain in the atmosphere. Without carbon dioxide Earth would very cold, but with the use of fossil fuels and other unsustainable resources we are releasing too much carbon dioxide in the atmosphere. This is causes way too much heat to remain trap. And this is what is causing global warming

Answer:

Explanation:

The scarcity of natural examples is due to the fact that there are population controls due to a limiting amount of resources such as food, light, shelter, water as well as to factors such as predation, climatic change, and disease.

Answer:

In the real world, with its limited resources, exponential growth cannot continue indefinitely. Exponential growth may occur in environments where there are few individuals and plentiful resources, but when the number of individuals gets large enough, resources will be depleted and the growth rate will slow down.

Explanation:

your answer is false. have a good day!

Answer:

the answer is C

Explanation:

Even if organisms of different species combine their DNA to make offspring, the offspring will be sterile, unable to pass on their genes. Because of this restricted gene flow, each species evolves as a group distinct from other species.

The observation of plants that produce viable but sterile offspring provides the strongest evidence that they belong to different biological species (Option C).

In conclusion, the observation of plants that produce viable but sterile offspring provides the strongest evidence that they belong to different biological species (Option C).

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Answer:

Explanation:

If a cell in the S phase come together and joined with a cell in the G1 phase, the nucleus of the G1 phase will suddenly jumped into S phase and this will result in the synthesis of DNA . If a cell then in the M phase joined with a cell in G1 phase, the nucleus of G1 will undergo mitosis and this will lead to the formation of a spindle and chromatin condensation even when duplication of chromosomes has not occur.

Answer:

B

Explanation:

tell me if I'm wrong but your welcome

Answer:

Female

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Answer:

male

Explanation:

the last two chromosomes the x is bigger than the y which shows that it's a male if it was a female both xy would be the same height

Answer:

1, 2, 3, 5

Explanation:

Answer:

Brown eyed genotype: Aa (eterofzygous) or AA (homofzygous)

The genotypes derived from the cross are: AA, Aa, Aa, aa

The phenotypes are: 3 with brown eyes and 1 with blue eyes (aa)

The phenotypic ratio is 3:1 (brown eyes: blue eyes) and the genotypic ratio is 1:2:1 (dominant homozygous: heterozygous: recessive homozygous).

In humans, the allele for brown eyes (B) is dominant over the allele for blue eyes (b). Heterozygous individuals, who carry one copy of each allele (Bb), will have brown eyes.

When two heterozygous brown-eyed individuals (Bb) cross, the possible genotypes of their offspring are:

BB (brown eyes): 25% chance (homozygous dominant)

Bb (brown eyes): 50% chance (heterozygous)

bb (blue eyes): 25% chance (homozygous recessive)

So, the genotypic ratio of the offspring is 1:2:1 (BB:Bb:bb).

As for the phenotype, the only possible one is brown eyes and it occurs in 75% of the offspring (25% BB + 50% Bb)

Therefore, the phenotypic ratio of the offspring is 3:1 (brown eyes: blue eyes)

It's worth noting that while this is the typical outcome of crosses involving the eye color genes, it's not universally accurate, as other factors and genes might have an influence on the phenotype. Additionally, in reality, eye color is a complex trait and many other genes are involved not just B and b, so the dominance is not always that clear.

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Answer:

Among the best-known techniques are radiocarbon dating, potassium–argon dating and uranium–lead dating. By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change.

Explanation:

- Eijiro

Answer:11-f i believe because its a type of pond im sorry if im wrong

12- fungi

Explanation:

Answer:

I really don’t know to be honest

Explanation:

Answer:

radial symmetry

Starfish have radial symmetry with each arm portion of the starfish identical to each of the other regions

Explanation:

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Answer:

A typical Star fish has five side of symmetry with no clear head the star fish can move in any directions and it is led by anyone of its five arms . Starfish has a radial symmetry .

I guess this might help u out

Answer:

a

Explanation:

Answer:

A polymer is a bunch of monomers put together in simplest terms.

A mutant protein is the protein product encoded by a gene with mutation. Mutated protein can have single amino acid change (minor, but still in many cases significant change leading to disease) or wide-range amino acid changes by e.g. truncation of C-terminus after introducing premature stop codon.

What is protein? ... Most animal sources of protein, such as meat, poultry, fish, eggs, and dairy, deliver all the amino acids your body needs, while plant-based protein sources such as grains, beans, vegetables, and nuts often lack one or more of the essential amino acids.