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