Which of the following organisms are photosynthetic autotrophs? select all that apply.

a. algae
b. plants
c. all bacteria
d. some bacteria
e. arthropods
f. protists

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?

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

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service