a change in allele frequencies due to change alone, occuring mostly in small populations is called ________
The answer is
<em>Genetic Drift</em>
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In the united states/america
Answer:
B Wetlands may support both aquatic and terrestrial species. The site must have the presence of water, soils indicative of frequent and prolonged flooding and vegetation suited to handle flooding or saturated soils.
Answer:
1) They have a notocorda that serves as support through the back of the fish.
2) Gill bags. These organs are responsible for filtering the oxygen in the water.
3) A pineal eye that is sensitive to light.
4) A cartilaginous skeleton.
Explanation:
