Which statement describes decomposers? decomposers are those organisms that recycle matter in the ecosystem. decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems. decomposers can produce their own source of energy and can sometimes act as primary producers.

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of