involves the loss of all part of a chromosome or one base
answer: Deletion
I believe the correct answer to the question is D. This answer choice makes the most sense given the context. Also, since RNA is less stable than DNA, it mutates more often.
The lack of sunlight in the deep ocean limits the types of organisms that can survive
True
Explanation:
Besides using fossils, a geologist who needs to correlate two rock formation in different areas can use key beds for his work.
Key beds are very distinct layers that has a large geographical range.
- Correlation is the process of matching rock sequences across different terrains.
- This is usually done using index fossils and key beds.
- Key beds are good indicators of homogeneity in an area.
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Fossils brainly.com/question/12790206
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Answer: Can restore balance to ecosystems.
