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Mekhanik [1.2K]
3 years ago
8

What is the a series of choices between two characteristics that is used to i identify organisms is called a

Biology
1 answer:
azamat3 years ago
8 0
D. dichotomous key is the correct answer
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About 225 million years ago, North America and South American were part of one huge landmass, Pangaea.
Advocard [28]
This is not even a question. Is it a true or false question if so tell us.
8 0
3 years ago
Why are humans successful in terms of evolution
Rasek [7]
We live long lives compared to a lot of animals, we are at the top of the food chain, we are omnivores and have a larger variety of foods we can eat that’ll nurture our bodies
6 0
2 years ago
1) If you
erica [24]

Answer:

Triassic Period (252 to 201 million years ago)

All continents during the Triassic Period were part of a single land mass called Pangaea. This meant that differences between animals or plants found in different areas were minor.

The climate was relatively hot and dry, and much of the land was covered with large deserts. Unlike today, there were no polar ice caps.

It was in this environment that the reptiles known as dinosaurs first evolved. Reptiles tend to flourish in hot climates because their skin is less porous than, for example, mammal skin, so it loses less water in the heat. Reptile kidneys are also better at conserving water.

4 0
2 years ago
The image below shows a convergent plate boundary.
JulsSmile [24]

Answer:

the answer is volcanoes

Explanation:

The oceanic crust collides with the continental crust to form a convergent boundary. At the convergent boundary, the denser oceanic crust sinks under the lighter continental crust. The rocks of the oceanic crust reach very high temperatures of about 12,000°C, which is enough to melt the rocks. These molten rocks travel upward through cracks and crevices in the continental crust. They then erupt on the surface as volcanoes. Therefore, the feature expected to form at point X as the result of converging plates would be volcanoes.

8 0
2 years ago
in the dna in chromatin, substitution mutations: a. are at a maximum in the nucleosomes b. are rarely seen, but deletion mutatio
Gelneren [198K]

In chromatin, substitution mutations are most common in linker regions. Option d is the correct answer.

Mutation by substitution When one nucleotide base is replaced by another, this occurs. Mismatch mutation A type of substitution mutation in which a single nucleotide is replaced, resulting in the coding of an incorrect amino acid, which usually results in a malfunctioning protein. Silent mutations are the result of genetic code redundancy (degeneracy): This is false, as silent mutations are the result of a base substitution that has no discernible effect on a protein's amino acid sequence.

Learn motre more about subsitution here:

brainly.com/question/29383142

#SPJ4

7 0
1 year ago
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