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Luba_88 [7]
3 years ago
8

An element is made up of only one kind of atom. True or False

Biology
2 answers:
Tanzania [10]3 years ago
8 0

Answer:

T

Explanation:

MissTica3 years ago
5 0
I’m pretty sure it false
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In order for a dead organisms remains to become fossilized certain conditions must be met. summarize three of these conditions.
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Answer: water, wind, volcanic rock, sand, and other stuff that can pile up basically.

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3 years ago
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Consider the evidence that explains how physical separation of two populations of a species can cause speciation. What effect do
Tom [10]

Answer:

  • Interruption in the genetic flow between separated groups
  • The emergence of new mutations in each of the groups, and their accumulation in time. Slow and gradual differentiation between populations.
  • Genetic divergence by natural selection and reproductive isolation
  • Prezigotic isolation mechanisms

Explanation:

Allopatric speciation consists of the geographic separation of a continuous genetic background that can give place to two or more new geographically isolated populations. These separations might be due to migration, extinction of geographically intermediate populations, or geological events. In this speciation, some barriers impede genetic interchange, or genetic flux, as the two new groups that are separated can not get together and mate anymore. These barriers might be geographical or ecological.

The process of allopatric speciation involves different steps that affect organisms:

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  • Genetic divergence by natural selection and reproductive isolation makes it impossible for the two groups to mate even if the barrier disappears.
  • Prezigotic isolation mechanisms will be favored by selection if occurs a secondary contact between the new species in formation.
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3 years ago
Divergent plates move _________ from each other. This causes _______ to form as well as mid-ocean ridges.
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The cerebral cortex, limbic system, thalamus, basal ganglia, and hypothalamus make up which part of the brain?.
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It makes up the fore brain
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What is a substrate?
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Its a surface on which an organism grows or is attached.

I hope this helps!

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