A(n) species is one that moves into an ecosystem as a result of human intervention. extinct B endemic С invasive endangered

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

Moving down the ramp from 6 meters to

The two main stages of cell division are called