True or false: every time energy is transferred between organisms in a food web, some of the energy is lost as heat.

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.