a random event kills off most the elephants in one area of africa the elephants left all happen to have shorter tails what mechanism is operating to change the genes in this population

Cells of an organism perform the following chemical reaction 6co2+6h2o+c6h12o6+6o2 Which organism do these cells belong to?

Are enzymes used up after they do there job

Which of the following is an endangered species? a large population of bears who have to eat a variety of food to survive a small population of bears who are isolated from other members of their species a small population of bears who are the last

If there were no guard cells what would happen to the stomata?

In cucumber, we take the bitter substance. What is the bitter substance called? and why do we need to take it?

Hich of the following is an advantage of asexual reproduction? A. No mate is required. B. It increases genetic diversity. C. More time is required. D. More energy is required.

Question 18 Which term best describes the diagram below? Eye color Blood type . Hair color Growth

Why did mendels use characteristics that only had 2 options? how did this aid in the development of his theories?

8. Modern fishing practices threaten biodiversity mainly through the

What is transpiration, and how does it occur within a plant