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