What can you conclude about an ecosystem with many trophic levels?

A. It is an unhealthy ecosystem.

B. It is a stable ecosystem

C. It has very few producers.

D. It has no tertiary consumers.

What kind of anatomical change is displayed when structures with similar functions evolve independently in organisms that are not closely related but have adapted to similar environments?

Which organelle is the control center of the cell? mitochondrion nucleus chloroplast ribosome

Which type of wetland is known for its periodic flooding and lack of trees? Swamp Bog Beach Marsh

According to Darwin, organisms with traits that are best suited for the environment will A) not pass those traits on to future generations B) die before they are able to mate C) pass those traits on to future generations D) not be able to have

What would happen to blood pressure if the radius of a blood vessel decreases

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