Question

re most likely to survive and the average weight 14) Which of the following is an example of stabilizing selection? A) The birth weight at which newborn humans are most likely to survive and of newborn humans are about the same. B) There is an increase in antibiotic resistant strains of bacteria C) There is an increase in the number of different breeds of dog. D) Garter snakes with different coloration patterns behave differently when threatened. 15) Which of the following is an example of sexual selection? A) Bacteria evolve resistance to antibiotics. B) Cheetahs experienced a population bottleneck. C) Peahens choose to mate with peacocks that have the most beautiful tails. D) Female butterflies have a higher survival rate than male butterflies. Chapter 18 16) Ecology is the study of A) life B) human effects on the environment C) interactions between humans and other species D) interactions between organisms and their environments bene 17) Which of the following is abiotic? A) a protist B) a plant C) a fungus D) a rock 18) What level of ecology is concerned with groups of individuals of the same species? A) community B) organism S ouvi aian C) ecosystem messa D) population nos Inbro 19) What level of ecology is concerned with groups of individuals of different species? A) community B) organism Sools do vistas C) ecosystem D) population na bina 20) What level of ecology is concerned with both the biotic and abiotic aspects of an environment? A) community B) organism C) ecosystem D) population old

Answer 1

14.A TYPE OF NATURAL SELECTION BY WHICH POPULATION MEAN STABILIZES ON A PARTICULAR NON-EXTREME TRAIT VALUE.

15 C.MEMBERS OF ONE BIOLOGICAL SEX CHOOSE MATE OF OTHER SEX TO MATE WITH ,AND COMPETE WITH MEMBERS OF SAME SEX FOR ACESS TO MEMBERS OF THE OPPOSITE SEX.

16.D

17. D

18.D

19.A

20.C