In your body, the inside "tube" within a "tube" is derived from the see section 30.2 (page 616) .

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

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

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.