When organisms must compete for resources, they will usually have a distribution.
a. uniform
b. random
c. clumped
d. competitive

Isotopes of the same element have differ in their

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans