Which of the following correctly describes the relationship of different organisms in an ecosystem? A. All animals consume plants as their only energy source. B. Some animals receive energy from plants, while others receive energy from other animals. C. Plants and animals both receive energy from the Sun that they use to make food. D. All plants depend on animals as their only energy source.

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Which of the following human activities resulted in the growth of the north american deer population?