Which of the following statements is true concerning humans?
A.
Humans have changed in intelligence only, and have remained the same in appearance over a long period of time.
B.
Humans have changed in appearance and intelligence over a very short amount of time.
C.
Humans have changed in appearance and intelligence over a long period of time.
D.
Humans have remained the same in appearance and intelligence since they first came into existence.

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species