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5th Grade, Chapter 4- Ecology
Test Description: Chap 4
Instructions: Answer all questions to get your test result.
1) Where are almost all nutrients in a rainforest?
A
in living things
B
in the soil
C
in the water
D
in the air
2) Which statement is true in a tropical rain forest?
A
There are no short winter days
B
The temperature is about the same throughout the year
C
all of the above
D
the amount of daylight is about the same everyday
3) What is a niche?
A
what a species eats
B
the place where a species lives
C
how a species uses resources
D
the role of a species in an ecosystem
4) In the rain forest, howler monkeys and leaf cutter ants are part of the same
A
niche
B
population
C
community
D
species
5) The process by which plants use sunlight to make sugar from water and carbon dioxide is called
A
photosynthesis
B
fertilization
C
scavenging
D
pollination
6) An organism that helps to break down and decay dead organisms and the wastes of living organisms is called
A
herbivore
B
a carnivore
C
scavenger
D
decomposer
7) why does the amount of available energy decrease as you move up the energy pyramid?
A
Each organism uses some energy for its life processes and some is lost as heat
B
The organisms at the top of the pyramid are smaller in size
C
less sunlight is available to the organisms at the top of the pyramid
D
The organisms at the top of the pyramid generate less heat
8) How is a food web different from a food chain?
A
a food chain contains only organisms of the same species
B
a food web shows how energy is being released
C
a food web shows that one organism might be food for several different organisms
D
a food web includes consumers and produces
9) A food chain is a diagram of how
A
producers make food
B
an ecosystem develops and changes
C
energy and nutrients pass among organisms in an ecosystem
D
communities are connected
10) What do consumers give off that producers need?
A
sugars
B
all of the above
C
oxygen
D
carbon dioxide
11) Bacteria in the soil can change nitrogen compounds into
A
proteins
B
nitrogen gas
C
oxygen
D
sugar
12) How does water cycle through the nonliving part of the ecosystem?
A
water evaporates from the land and oceans and forms water vapor
B
water returns to the ecosystem through an organisms waste
C
roots take in water from the soil
D
when an organism dies, water is recycled in the ecosystem
13) Which of these can be found in a tropical rain forest?
A
all of these
B
air
C
water
D
sunlight
14) In an energy pyramid
A
the amount of available energy increases as you move up from one level to the next
B
the smallest organisms are at the top
C
the organisms in each level eat those in the level below them
D
producers are at the top
15) Water vapor is formed when
A
it rains
B
lightning strikes
C
it snows
D
water evaporates from the land and bodies of water
16) food chains begin with
A
producers that get energy from the sun
B
consumers eating other consumers
C
grafting
D
consumers eating producers
17) Trees in the rain forest stop most of the sunlight before it can reach the ground
A
true
B
false
18) Howler monkeys spend most of their time on the ground
A
false
B
true
19) Consumers that get energy from eating other consumers are called herbivores
A
TRUE
B
FALSE
20) Consumers that eat only plants are called herbivores
A
false
B
true
*select an answer for all questions
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