If a characteristic is found in bacteria, fungi, pine trees, snakes, and humans, when did it most likely evolve?

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?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata