By which specific factors are biomes defined, and by which are they not defined? what two factors determine the amount of biodiversity in a biome? (site 1)

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different