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Name _______________________________
Robinson
Date______________________
Biology –Unit 3 Ecology (Part 1) Unit Review
3. Investigate and evaluate the interaction between living organisms and their environment.
a. Compare and contrast the characteristics of the world’s major biomes
(e.g., deserts, tundra, taiga, grassland, temperate forest, tropical rainforest). (DOK 2)
• Plant and animal species
• Climate (temperature and rainfall)
• Adaptations of organisms
b. Provide examples to justify the interdependence among environmental elements. (DOK 2)
• Biotic and abiotic factors in an ecosystem (e.g., water, carbon, oxygen, mold, leaves)
• Energy flow in ecosystems (e.g., energy pyramids and photosynthetic organisms to herbivores, carnivores,
and decomposers)
• Roles of beneficial bacteria
• Interrelationships of organisms (e.g., cooperation, predation, parasitism, commensalism, symbiosis, and
mutualism)
4. Analyze and explain the structures and function of the levels of biological organization.
c. Describe and differentiate among the organizational levels of organisms (e.g., cells, tissues, organs, systems, types
of tissues.) (DOK 1)
Obj 3A – (DOK 2) _______________
1. Which of the following ecosystems is likely to have the greatest amount of biomass at the producing level?
a. Desert
c. Tundra
b. Tropical Rain Forrest
d. Grass land
2-7. It is known that the process of natural selection is responsible for driving adaptation to an ecosystem. In the table
below describe an environmental condition that is unique to the following biomes (DOK 1). In your answer, also
identify a plant or an animal that lives in each of the biomes and describe a trait they have that enables them to do
well in that environment. (DOK 2)
Environment – describe the climate Identify an organism (plant or animal) and describe a unique
in the space provided. (DOK 1)
adaptation it has that helps it survive in this environment. (DOK 2)
2, 4, 6. Biome…
3, 5, 7. Descriptions…
Obj 3B – (DOK 2) _______________
8. Compare and contrast biotic and abiotic factors. (DOK 3)
Biotic Factors
Biotic Differences
Similarities
9.
Abiotic Factors
Abiotic Differences
Complete the Brace map by illustrating 3 examples of both biotic & abiotic factors that are essential to life.
Biotic Factors
Environment
Abiotic Factors
10. Which of the following characteristics of life is NOT found in non-living things & is unique ONLY to life?
A. Adaptation
B. Energy
C. Growth
D. Movement
E. Organization
F. Reproduction
11. Ecology is the study of the interaction of living organisms
A. with each other and their habitat.
C. and the food they eat.
B. and their communities.
D. with each other and their physical environment.
12. Aquatic biomes have a photic zone. Some also have an aphotic zone. What distinguishing factor(s) is/are the
primary difference(s) between the two (DOK 2)?
Photic Aphotic -
13. Why is the photic zone essential to ALL life in the aquatic biome even though some forms of life may actually live
in the aphotic zone (DOK 3)?
14. Why is the food web a more realistic representation of nature than the food chain? Justify your answer. (DOK 3)
15. The trees in a rainforest ecosystem would belong to which group?
a. primary consumers.
c. primary producers.
b. secondary consumer.
d. scavengers.
16. The biomass in an ecosystem would be greatest at which of the following levels?
a. primary consumers.
c. primary producers.
b. Secondary consumer.
d. scavengers.
17. cows : herbivores ::
a. horses : carnivores
c. algae : consumers
b. plants : producers
d. caterpillars : producers
18. When an organism dies, the nitrogen in its body
a. can never be reused by other living things.
b. is immediately released into the atmosphere.
c. is released by the action of decomposers.
d. None of the above
19. Refer to the illustration. The photosynthetic algae are
a. producers.
c. parasites.
b. consumers.
d. decomposers.
20. In the diagram, which shows how energy moves through an
ecosystem, is known as a
a. habitat.
c. food net.
b. food chain. d. food web.
21. Refer to the illustration. Leopard seals are
a. producers. c. herbivores.
b. omnivores. d. carnivores.
22. Refer to the illustration above. Killer whales feed at the
a. 1st & 2nd trophic levels. c. 2nd & 3rd trophic levels.
b. 2nd trophic level only.
d. 3rd & 4th trophic levels.
23. Refer to the illustration on the right. On the pyramid,
animals that feed on plant eaters are no lower than
a. level “A.”
c. level “C.”
b. level “B.”
d. level “D.”
24. Refer to the illustration above. How much energy is
available to the organisms in level “C”?
a. all of the energy in level “A” plus the energy in level “B”
b. all of the energy in level “A” minus the energy in level “B”
c. 10 percent of the energy in level “B”
d. 90 percent of the energy in level “B”
25.
a.
b.
c.
d.
The diagram on the right represents the decrease in
the number of organisms between lower & higher trophic levels.
available energy between lower & higher trophic levels.
diversity of organisms between lower & higher trophic levels.
All of the above
26. Refer to the illustration above. At each trophic level, the energy
stored in the organisms in that level is
a. about one-tenth of the energy in the level below it.
b. about one-tenth of the energy in the level above it.
c. 50 percent of the energy in the level below it.
d. 100 percent of the energy in the level below it.
27. Because energy diminishes at each successive trophic level, few ecosystems can contain more than
a. two trophic levels.
c. five trophic levels.
b. four trophic levels.
d. eight trophic levels.
28. Why must the producing/autotrophic level of the energy pyramid be the largest level of an energy pyramid?(DOK3)
29. Explain how the population size of predators and prey are interconnected, and how significant changes in the size
of either group’s population would influence the population size of the other group. (DOK 3)
30. Which of the following is common to the carbon cycle, the nitrogen cycle, and the water cycle?
a. The substance is rearranged into different types of molecules as it moves through its cycle.
b. The substance must pass through organisms in order to complete its cycle.
c. The largest reserves of the substance are always in organisms.
d. The substance is required by all living things and is involved in many processes that occur in all
living things.
31. Which of the following information could be included in the description of a grasshopper’s niche, but not in a
description of its habitat? (DOK 2)
A. continent where it lives
B. plant species it eats
C. location of its shelters
D. temperature it experiences
32. What type of species would most likely be found in the area
labeled “D” in the figure above?
A. One that requires plenty of oxygen
B. Plant that require light
C. Amphibians that need warm habitat
D. Decomposers that feed on dead organisms
33. The little brown bat has populations in the millions in some caves. These mammals consume insects that are
harmful to corn and cotton. It is estimated that a community of a million bats consumes 10 tons of insects each
night. As the population of bats increases, it would be expected that the crop production in nearby areas would…
A. show a minimal response.
B. be cut in half.
C. remain constant.
D. steadily increase.
34. Draw and label the parts of the water cycle. (DOK 1)
35. Interpret your drawing in a manner that explains how this cycle represents how a single water molecule may move
from one group to another…including you. (DOK 2)
36. When studying the cycles or nature (such as the water cycle, carbon cycle, nitrogen cycle, etc) or the energy
pyramid, one must carefully consider the food web. What makes understanding the food web so essential when
studying the cycles or the energy pyramid? (DOK 2)
37-41. Provide an appropriate example of each of the following types of relationships. Describe what behavior from
each of your examples was responsible for classifying each the way you chose to? (5 x DOK 2)
Competition, Symbiosis, Mutualism, Commensalisms, & Parasitism…also the predator/prey relationship
Obj 4C– (DOK 1) _______________
42-45. Arrange the structural levels of organization from largest to smallest. (DOK 1)
A. Atom
B. Biome
C. Biosphere (or Earth)
D. Cell
E. Community
F. Ecosystem
G. Gallaxy Clusters
H. Gallaxy
I.
Molecule
J. Organ
K. Organ System
L. Organelle
M. Organism
N. Population
O. Solar System
P. Sub-atomic Particle
Q. Tissue
R. Universe
46. A group of organisms of different species living together in a particular place is called
a. a community.
c. a biome.
b. a population.
d. a habitat.
47. An ecosystem consists of
a. a community of organisms.
c. the soil, water, and weather.
b. energy.
d. All of the above
48. Major ecosystems that occur over wide areas of land are called
a. communities.
c. biomes.
b. habitats.
d. food chains.
49-50. When discussing the levels of organization within an ecosystem you should recall that each level (except the
lowest level) could be broken down into smaller levels. For example, biomes could be broken down into
ecosystems, ecosystems into communities, etc.
49. What specific detail was responsible for distinguishing between a community and a population? (DOK 2)
50. Why does this detail result in a community being significantly larger than a population? (DOK 3)