Some large fish allow smaller fish to swim inside of their mouths without eating the smaller ones. The smaller fish get to feed inside the larger fish's mouth, the larger fish gets parasites removed from its teeth. This is an example of:

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

As a small change in a person's dna can cause a genetic disorder

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.