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Ecosystem Interactions
Test Description: Ecology
Instructions: Answer all questions to get your test result.
1) A large hawk eats a mouse. Which term BEST describes the hawk?
A
predator
B
prey
C
parasite
D
producer
2) What does a food chain show?
A
the flow of food between a parasite and a host
B
the flow of energy as it passes from one organism to the next
C
the flow of food between animals
D
the flow of water through an ecosystem
3) A parasite is an organism that gets energy by
A
feeding off of producers
B
killing its prey
C
feeding off a host organism
D
producing its own food
4) Which one is a diagram theat shows th variety of paths in which energy flows through an ecosystem?
A
a food chain
B
a food diagram
C
an energy pyramid
D
a food web
5) Which of these is a resource that may cause competition among the plants and animals that live in an ecosystem?
A
water
B
heat
C
air
D
wastes
6) Which of the following is NOT a way that plants change their environment?
A
by absorbing water from the soil
B
by using nutrients in the soil
C
by using the light from the sun
D
by using space to build nests
7) Which of the following will disturb the largest amountof rock and soil?
A
rabbits digging burrows
B
beavers building dams
C
birds building nests
D
plants growing in an area
8) Which of these is MOST LIKELY to happen first in secondary succession after a volcanic eruption?
A
Small plants begin to grow.
B
Flood waters destroy a natural habitat.
C
Animals move of the ecosystem.
D
Trees cast shade over small plants.
9) Small plants and shrubs have begun to grow on a stone cliff. This is an example of which of the following?
A
environmental succession
B
secondary succession
C
primary succession
D
ecological change
10) Which of these natural disasters cna actually help maintain the health of an ecosystem?
A
flood
B
fire
C
volcano
D
earthquake
*select an answer for all questions
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