What does population density measure?
1 . the different species in a community
2 . the area occupied by a population
3 . the number of individuals in a sample
4. the degree of crowding of a population

1) strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. this type of vegetative reproduction is known as a) pollination. b) fragmentation. c) binary fission. d) vegetative propogation.

Which of the following is a testable hypotheses?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?