26. In the relationship between a raccoon and a crayfish in a stream, the crayfish is: A. a producer.
C. a decomposer.
B. the predator.
D. the prey.

Which experiment would most likely contain experimental bias

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?