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3.1, 3.2 Review
Test Description: Ecology chapter 3 first half review
Instructions: Answer all questions to get your test result.
1) The lowest level of environmental complexity that includes living and nonliving factors is the
A
Biome
B
Ecosystem
C
Community
D
Biosphere
2) Which ecological inquiry method is an ecologist using when he or she enters an area periodically to count the population numbers of a certain species?
A
modeling
B
experimenting
C
observing
D
questioning
3) A mathematical formula designed to predict population fluctuations in a community could be called a(n)
A
ecological model
B
ecological observation
C
Biological experiment
D
Biological system
4) How do most primary producers make their own food?
A
by using light energy to make carbohydrates
B
by using chemical energy to make carbohydrates
C
by changing water into carbon dioxide
D
by breaking down remains to make carbon dioxide
5) What animals eat both producers and consumers?
A
omnivores
B
herbivores
C
chemotrophs
D
autotrophs
6) A bird stalks, kills, and then eats an insect. Based on its behavior, which pair of ecological terms describes the bird?
A
herbivore, decomposer
B
carnivore, consumer
C
autotroph, herbivore
D
producer, heterotroph
7) Animals that get energy by eating the carcasses of other animals that have been killed by predators or have died of natural causes are called
A
omnivores
B
heterotrophs
C
scavengers
D
detritivores
8) Which of the following descriptions about the organization of an ecosystem is correct?
A
Populations make up species, which make up communities
B
Species make up communities, which make up populations
C
Species make up populations, which make up communities
D
Communities make up species, which make up populations
9) T/F Producers release carbon dioxide into the atmosphere during the process of photosynthesis.
A
T
B
F
C
Not me
D
Not me
10) Organisms that break down organic matter and return it to the environment are called
A
Decomposers
B
Consumers
C
Producers
D
Scavengers
*select an answer for all questions
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