Review Quizzes Chapters PDF Free Download

Review Quizzes Chapters 45-50

1) Which of the following is a non-density-dependent factor that affects a population? a. spread of disease b. space c. earthquake d. food e. mating and reproduction

2) A species which releases eggs which develop without parental care is likely to a. have a low death rate among young offspring. b. have a long life span c. delay sexual maturity d. produce large numbers of offspring e. none of the above

3) Which would be the keystone species in the climax community of a savannah biome? a. grass b. moss c. pine d. lichen e. shrub

4) Which of the following statements is false? a. Grass would be a producer within an ecological community. b. Humans would be consumers within an ecological community. c. Omnivores consume both plants and animals. d. Herbivores consume animals. e. Bacteria and fungi would be decomposers or saprophytes within an ecological community.

5. Gross primary productivity differs from net primary productivity in that a. Gross primary productivity is the total chemical energy generated by producers while the net primary productivity subtracts out the loss of energy to respiration by plants. b. Net primary productivity is the total chemical energy generated by plants while the gross primary productivity subtracts out the loss of energy to respiration by plants. c. Gross primary productivity is the total chemical energy generated by producers while the net primary productivity subtracts out the loss of energy to respiration by animals. d. Net primary productivity is the total chemical energy generated by plants while the gross primary productivity subtracts out the loss of energy to respiration by animals. e. None of the above.

6) If a toxin is concentrated in a food chain and is present in producers a. the toxin will not be found in organisms at the top of the food chain b. the toxin will be more concentrated in organisms at the top of the food chain c. the toxin will be less concentrated in organisms at the top of the food chain d. the toxin will be found in the same concentration in organisms at the top of the food chain e. none of the above

7. Carbon is most commonly present in the atmosphere in what form? a. CCl 4 b. CO c. CO 2 d. CH 2 e. C 6 H 12 O 6

8. The process by which bacteria themselves use the nitrate of the environment, releasing N 2 as a product, is called a. nitrogen fixation b. abiotic fixation c. denitrification d. chemosynthetic autrophism e. nitrogen turnover

9. A collection of all the individuals of an area combined with the environment in which they exist is called a a. population b. community c. ecosystem d. biosphere e. niche

10. Which of the following is NOT a characteristic of a K-selected population? a. Populations tend to be of a relatively constant size. b. Offspring produced tend to require extensive postnatal care. c. Primates are classified as K- selected organisms. d. Offspring are produced in large quantities. e. Offspring produced tend to be relatively large in size compared to R- selected offspring.

Plants insects mice snakes birds 11. Which of the following organisms in this food chain can transform light energy to chemical energy? a. birds b. plants c. insects d. snakes e. mice

Plants insects mice snakes birds 12. Which animal in the food chain has the smallest biomass? a. birds b. plants c. insects d. snakes e. mice

Plants insects mice snakes birds 13. Which organism in the food chain is a secondary consumer? a. birds b. plants c. insects d. snakes e. mice

14. The portion of the earth that is inhabited by life is known as the a. ecosystem b. biosphere c. biome d. population e. community

15. Which of the following organisms serve as decomposers in the ecosystem? a. bacteria and viruses b. fungi and bacteria c. viruses and protists d. fungi and viruses e. bacteria and plants

16. A group that includes only greenhouse gases is a. methane, carbon dioxide, sulfur dioxide b. chlorofluorocarbons, nitrous oxide, hydrogen sulfide c. carbon dioxide, nitrous oxide, methane d. nitrous oxide, carbon monoxide, nitric oxide e. ozone, methane, carbon dioxide

17. The female yucca moth deposits her eggs and pollinates the yucca flower at the same time. The moth larvae hatch and feed on seeds developing within the flower. The symbiotic relationship between the yucca moth and flower is an example of a. parasitism b. mutualism c. saprophytism d. commensalism e. food chain

18. A J-shaped curve of exponential growth is a feature of populations that a. have reached their biotic potential b. have not reached their carrying capacity c. show a low intrinsic rate of increase d. show seasonal fluctuations in rate of reproduction e. are introduced into a new environment

19. The trophic level that contains the least biomass is usually occupied by a. herbivores b. decomposers c. tertiary consumers d. producers e. epiphytes

A. instinct D. tropism B. operant learning E. insight C. imprinting 20. A stickleback fish will not attack an intruder that lacks a red belly. 21. A bluejay avoids monarch butterflies after experiencing their distasteful poisoning. 22. A chimpanzee uses several boxes on the floor to reach bananas hung from the ceiling.

A. instinct D. tropism B. operant learning E. insight C. imprinting 20. A stickleback fish will not attack an intruder that lacks a red belly. A 21. A bluejay avoids monarch butterflies after experiencing their distasteful poisoning. B 22. A chimpanzee uses several boxes on the floor to reach bananas hung from the ceiling. E

A. aposometic coloration B. Batesian mimicry C. Mullerian mimicry D. cryptic coloration E. deceptive markings 23. A beetle that has the coloration of a yellow jacket is displaying which defense mechanism? 24. A moth whose body color matches that of the trees in which it lives is displaying which defense mechanism? 25. Two different lizard species, each possessing a particular chemical defense mechanism and share a similar body coloration is displaying which defense mechanism? 26. A lizard with a chemical defense mechanism has a bright-colored body as a warning to predators that it is one tough customer is displaying which defense mechanism?

A. aposometic coloration B. Batesian mimicry C. Mullerian mimicry D. cryptic coloration E. deceptive markings 23. A beetle that has the coloration of a yellow jacket is displaying which defense mechanism? B 24. A moth whose body color matches that of the trees in which it lives is displaying which defense mechanism? D 25. Two different lizard species, each possessing a particular chemical defense mechanism and share a similar body coloration is displaying which defense mechanism? C 26. A lizard with a chemical defense mechanism has a bright-colored body as a warning to predators that it is one tough customer is displaying which defense mechanism? A

A. tropical rain forest B. desert C. taiga D. tundra E. temperate deciduous forest 27. treeless, frozen plain; ground always frozen 28. high temperatures; dense vegetation; high productivity 29. cold winters, warm summers; moderate rainfall 30. biome at the highest altitudes 31. biome with plants having low surface-to-volume ratios 32. biome with greatest species diversity 33. biome with harsh winters, short summers, and evergreen trees

A. tropical rain forest B. desert C. taiga D. tundra E. temperate deciduous forest 27. treeless, frozen plain; ground always frozen D 28. high temperatures; dense vegetation; high productivity A 29. cold winters, warm summers; moderate rainfall E 30. biome at the highest altitudes D 31. biome with plants having low surface-to-volume ratios D 32. biome with greatest species diversity A 33. biome with harsh winters, short summers, and evergreen trees C

34. Which of the following is/are true regarding asexual reproduction? a. Asexual reproduction increases genetic variability. b. Asexual reproduction decreases genetic variability. c. Less energy is required to reproduce asexually. d. More energy is require to reproduce asexually. e. More than one of the above.