What do holes in volcanic rock illustrate about the condition in which it was formed? wright a short summery paragraph.

As a small change in a person's dna can cause a genetic disorder

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above