Many mutations have little or no effect on an organism, but many others are harmful. explain how can a mutation can threaten homeostasis

Is there any solid scientific evidence that humans have been cloned?

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity