Download Intro to Ecology Flow of Energy Vocabulary Review

Intro to Ecology Flow of Energy Vocabulary Review
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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1. What is an ecological model of the relationships that form a network of complex interactions among
organisms in a community from producers to decomposers?
a. food web
b. an ecosystem
c. food chain
d. a population
2. The combined portions of Earth in which all living things exist is called the
a. biome.
b. community.
c. ecosystem.
d. biosphere.
3. All of the members of a particular species that live in one area are called a (an)
a. biome.
b. population.
c. community.
d. ecosystem.
4. Which of the following descriptions about the organization of an ecosystem is correct?
a. Communities make up species, which make up populations.
b. Populations make up species, which make up communities.
c. Species make up communities, which make up populations.
d. Species make up populations, which make up communities.
5. The simplest grouping of more than one kind of organism in the biosphere is
a. a population.
b. a community.
c. an ecosystem.
d. a species.
6. The lowest level of environmental complexity that includes living and nonliving factors is the
a. biome.
b. community.
c. ecosystem.
d. biosphere.
7. Plants are
a. producers.
b. consumers.
c. herbivores.
d. omnivores.
Figure 3–1
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8. Figure 3-1 is an example of a
a. matter cycle
b. food chain
c. predator chain
d. nutrient cycle
9. The algae at the beginning in Figure 3–1 are
a. consumers.
b. decomposers.
c. autotrophs
d. heterotrophs.
10. Which of the following organisms does NOT require sunlight to live?
a. chemosynthetic bacteria
c. trees
b. algae
d. photosynthetic bacteria
11. An organism that cannot make its own food is called a (an)
a. heterotroph.
b. chemotroph.
c. autotroph.
d. producer.
12. The total amount of living tissue within a given trophic level is called the
a. organic mass.
b. trophic mass.
c. energy mass.
d. biomass.
13. What animals eat both producers and consumers?
a. herbivores
b. omnivores
c. chemotrophs
d. autotrophs
____ 14. What is the term for each step in the transfer of energy and matter within a food web?
a. energy path
b. food chain
c. trophic level
d. food pyramid
____ 15. A bird stalks, kills, and then eats an insect. Based on its behavior, which ecological terms describe the bird?
a. herbivore, decomposer
c. carnivore, consumer
b. producer, heterotroph
d. autotroph, herbivore
____ 16. Chemical reactions that convert light energy or inorganic compounds are known as
a. autotroph and heterotroph
c. producer and consumer
b. photosynthesis and chemosynthesis
d. predator and prey
____ 17. An animal that feeds on plant and animal remains and other dead matter
a. omnivore
b. herbivore
c. carnivore
d. detritivore
Completion
Complete each sentence or statement.
18. The study of interactions among organisms and between organisms and their physical surroundings is called
____________________.
19. Autotrophs capture energy from sunlight or ____________________ to produce food.
20. Plant-eating animals such as cows are called ____________________.
21. Organisms that break down organic matter and return it to the environment are called
____________________.
22. All life is self-reliant and responsible to all other life is known as
.
23. When a group of organisms are physically similar and interbred to produce fertile offspring this group is
called a
.
24. A grouping of ecosystems that have the same climate and dominant communities is called a
.
25. A diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or
food web is called an
.