The leaves, stems and roots of a plant contain
a. only one kind of tissue.
b. only two kinds of tissue.
c. all three kinds of tissues.
d. none of the above

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

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