The overall success of an ecosystem is best judged by the a. health of its producers b. availability of resources c. numbers in each trophies level d. interaction of biotic and abiotic factors (the answer is d.)

Where is energy trapped inside the organelle chlorophyll

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey