The molecular clock is a scientific technique which presents a means of estimating evolutionary rates and timescales using genetic data. It uses mutation rate of biomolecules when two or more life forms diverged to estimate the time. Answer is B.
It means that the organism does not require air (oxygen) to live
Answer:
plant cell
Explanation:
Animal cells do not photosynthesize (with the exception of one animal but biology is INCREDIBLY diverse and creative.)
1. A
2. E
3. C
4. B
5. F
6. G
7. D
Answer:
Explanation:
The Julia butterfly (or dryas iulia) isn't trying to cheer up the turtle, it is actually a symbiotic relationship between the two creatures. The butterflies undertake the process of lachryphagy, or 'tear feeding' as a way of gaining much needed nutrition.
