What is a reason some think the evolutionary changes could not
produce an eye?
Only intelligent organisms possess eyes.
Many complex parts must work together,
Eyes have never evolved in non-animals.
There is no evidence.

Explain the importance of producers, primary consumers, secondary consumers and decomposers in an ecosystem.

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

How does human environment effect the biosphere