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Ecosystems 4.3
Test Description: Ecosystems
Instructions: Answer all questions to get your test result.
1) An _________ is an area where living and nonliving things interact.
A
community
B
atmosphere
C
niche
D
ecosystem
2) _________ factors of an ecosystem include things such as sunlight, water, nutrients, soil, and air
A
habitat
B
non-living
C
Population
D
living
3) All the organisms of the same species that live in the same place at the same time are a __________.
A
biome
B
group
C
habitat
D
population
4) The populations of species that live in the same place at the same time together make up a _________.
A
habitat
B
niche
C
neighborhood
D
community
5) The interactions and organization within an ecosystem is based on the utilization of the energy from the ___.
A
stars
B
moon
C
earth's interior
D
sun
6) The greatest amount of energy in an ecosystem is in the __________.
A
consumers
B
carnivores
C
decomposers
D
producers
7) The sun’s energy cycles through ecosystems from producers through consumers and back into the nutrient pool through ___________.
A
herbivores
B
decomposers
C
producers
D
consumers
8) Within a community, organisms are dependent on the ________ of other organisms.
A
competition
B
weakness
C
kindness
D
survival
9) ______ is passed from one organism to another as modeled in a food chain or food web.
A
love
B
disease
C
hate
D
energy
10) A food ___ illustrates the interconnected and overlapping food chains in an ecosystem
A
fight
B
net
C
buffet
D
web
11) The arrow in a food chain always points to the organism doing the ______.
A
dying
B
eating
C
best
D
wrong thing
12) Members of a __________ compete to obtain resources, mates, and territory, and they cooperate to meet basic needs.
A
habitat
B
population
C
society
D
niche
13) A _______is the place where an animal or plant naturally lives.
A
habitat
B
community
C
reservoir
D
niche
14) An organism’s habitat provides food, water, _______, and space.
A
money
B
shelter
C
nice things
D
health care
15) The ____ of the habitat depends on the organism’s needs
A
color
B
texture
C
shape
D
size
16) A _____ is the function or role that an organism performs in the food web of that community.
A
biome
B
culture
C
niche
D
habitat
17) A niche also includes everything else the _________ does and needs in its environment, including what it eats and how it interacts with other organisms and the nonliving factors in its environment.
A
organism
B
habitat
C
community
D
population
18) Organisms that share the same need for resources must _______ to meet their needs.
A
compete
B
dance
C
work
D
shelter
19) During its ____ _____, an organism’s role in the community (niche) may change. What an animal eats, what eats it, and other relationships may change.
A
night time
B
???
C
life cycle
D
daily life
*select an answer for all questions
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