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Biology- 1.1 Review
Test Description: Section 1.1 Review
Instructions: Answer all questions to get your test result.
1) A lion hunts, kills, and feeds on a zebra. The lion is an example of a _______, and the zebra is its _______.
A
prey; predator
B
parasite; host
C
predator; prey
D
host; parasite
2) The Egyption Plower bird gets a free meal by hunting the leeches on the crocodile, and the crocodile in turn gets rid of its leeches. What is the best description for such a relationship?
A
commensalism
B
mutualism
C
parasitism
D
predation
3) The energy for life comes primarily from the Sun. Consumers in an ecosystem get their energy indirectly from the Sun by
A
drinking warm water from rivers, lakes, and streams.
B
feeding on photosynthetic organisms or other consumers.
C
performing photosynthesis.
D
breathing in warm CO2 from the atmosphere.
4) Decomposers are a necessary part of a healthy ecosystem because they
A
capture energy from the Sun and convert it to chemical potential energy.
B
return nutrients to the environment so matter and energy can begin another cycle.
C
keep populations of herbivores from exceeding the ecosystem's carrying capacity.
D
are a major food source for herbivores, carnivores, and scavengers.
5) Which of the following is true about the flow of energy within ecosystems?
A
Energy does not flow between living systems and the physical environment.
B
Energy flows both ways between living systems and the physical environment.
C
Energy flows from the physical environment into living systems only.
D
Energy flows from living systems into the physical environment only.
6) Which of the following are examples of heterotrophs? I. algae II. birds III. fungi IV. humans V. plants
A
II, III, and IV only
B
II and IV only
C
I and V only
D
I, III, and V only
7) The living aspects of the environment including organisms of the same and different species are called:
A
Biotic factors
B
Abiotic factors
C
None of the answers
D
Null factors
8) Grass -- Grasshopper -- Mockingbird represents __________.
A
an ecosystem
B
a food pyramid
C
a food web
D
a food chain
9) Herbivores and carnivores are _________, but plants and algae are __________.
A
consumers; decomposers
B
omnivores; producers
C
consumers; producers
D
animals; consumers
10) A trophic level represents a _________.
A
chemical cycle
B
consumer
C
pyramid
D
feeding level
*select an answer for all questions
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