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WorksheetsEcosystems
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
diatom -> midge larva -> brown trout -> great cormorant
In this food chain, the brown trout is a secondary consumer. Why?
In this food chain, the brown trout is a secondary consumer. Why?
a)
It eats a producer.
b)
It eats a secondary consumer.
c)
It eats a primary consumer.
d)
It eats a top consumer.
2.
slender wheatgrass -> katydid -> deer mouse -> red fox
In this food chain, the katydid is a primary consumer. Why?
In this food chain, the katydid is a primary consumer. Why?
a)
It makes its own food.
b)
It eats a primary consumer.
c)
It eats a secondary consumer.
3.
A _____ consumer eats producers.
a)
primary
b)
secondary
c)
tertiary
d)
top
4.
A _____ consumer eats primary consumers.
a)
primary
b)
secondary
c)
tertiary
d)
top
5.
A _____ consumer is the animal at the top of a food chain.
a)
primary
b)
secondary
c)
tertiary
d)
top
6.
A _____ consumer eats secondary consumers.
a)
primary
b)
secondary
c)
tertiary
d)
top
7.
seagrass -> sea squirt -> butterfish -> weakfish
In this food chain, the weakfish is a tertiary consumer. Why?
In this food chain, the weakfish is a tertiary consumer. Why?
a)
It makes its own food.
b)
It eats a secondary consumer.
c)
It eats a tertiary consumer.
d)
Its a decomposer.
8.
brown seaweed -> queen conch -> Caribbean lobster -> Caribbean reef shark
The Caribbean reef shark is a carnivore. Why?
The Caribbean reef shark is a carnivore. Why?
a)
It eats a producer.
b)
It makes its own food.
c)
It eats a consumer.
d)
All of the above.
9.
bear sedge -> collared lemming -> short-tailed weasel -> Arctic fox
The collared lemming is an herbivore. Why?
The collared lemming is an herbivore. Why?
a)
It hunts and eats a primary consumer.
b)
It eats a producer.
c)
It makes its own food.
d)
None of the above.
10.
kelp -> halfmoon -> sea lion -> orca
The sea lion is a predator. Why?
The sea lion is a predator. Why?
a)
It makes its own food.
b)
It hunts and eats a consumer.
c)
It eats a producer.
d)
It is being hunted.
11.
macroalgae -> sludge worm -> brown trout -> pike
The brown trout is a carnivore. Why?
The brown trout is a carnivore. Why?
a)
It eats a consumer.
b)
It makes its own food.
c)
It eats a producer.
d)
It eats a producer and a consumer.
12.
It has:
-a small amount of rain or snow
-dry, thin soil
-long, cold winters
-a small amount of rain or snow
-dry, thin soil
-long, cold winters
a)
cold desert
b)
savanna grassland
c)
prairie grassland
d)
tundra
13.
It has:
-warm summers and warm winters
-a rainy season and a dry season
-soil that is poor in nutrients
-warm summers and warm winters
-a rainy season and a dry season
-soil that is poor in nutrients
a)
taiga
b)
savanna grassland
c)
temperate deciduous forest
d)
tropical rain forest
14.
It has:
-warm, wet summers and cold, wet winters
-soil that is rich in nutrients
-only a few types of trees
-warm, wet summers and cold, wet winters
-soil that is rich in nutrients
-only a few types of trees
a)
tundra
b)
temperate deciduous forest
c)
taiga
d)
cold desert
15.
It has:
-hot summers and cool winters
-a medium amount of rain
-soil that is rich in nutrients
-hot summers and cool winters
-a medium amount of rain
-soil that is rich in nutrients
a)
cold desert
b)
hot desert
c)
prairie grassland
d)
tundra
16.
It has:
-long, cold winters and short, cool summers
-many evergreen trees
-soil that is poor in nutrients
-long, cold winters and short, cool summers
-many evergreen trees
-soil that is poor in nutrients
a)
taiga
b)
cold desert
c)
hot desert
d)
tropical rain forest
17.
It has:
-long, cold winters and short, cold summers
-mostly small plants
-soil that is frozen year-round
-long, cold winters and short, cold summers
-mostly small plants
-soil that is frozen year-round
a)
cold desert
b)
temperate deciduous forest
c)
prairie grassland
d)
tundra
18.
It has:
-year-round rain and warm temperatures
-soil that is poor in nutrients
-many different types of organisms
-year-round rain and warm temperatures
-soil that is poor in nutrients
-many different types of organisms
a)
tropical rain forest
b)
taiga
c)
tundra
d)
cold desert
19.
It has:
-a small amount of rain
-dry, thin soil
-many different types of organisms
-a small amount of rain
-dry, thin soil
-many different types of organisms
a)
taiga
b)
tundra
c)
hot desert
d)
tropical rain forest
20.
It has:
-year-round rain and warm temperatures
-soil that is poor in nutrients
-many different types of organisms
-year-round rain and warm temperatures
-soil that is poor in nutrients
-many different types of organisms
a)
cold desert
b)
tundra
c)
tropical rain forest
d)
taiga
21.
biotic
a)
living
b)
nonliving
22.
abiotic
a)
living
b)
nonliving
23.
Photosynthesis is the process by which plants make their own food.
a)
True
b)
False
24.
__________ from the air passes through small pores (holes) in the leaves.
a)
Carbon dioxide
b)
Oxygen
c)
Carbon monoxide
d)
Helium
25.
Photosynthesis is important because it provides two main things: food and oxygen
a)
True
b)
False
26.
______ is what we breathe and we cannot live without it.
a)
oxygen
b)
carbon dioxide
c)
water
d)
sunlight
27.
_______break down dead plants and animals.
a)
Producers
b)
Decomposers
c)
Primary consumers
d)
Secondary consumers
28.
Ecosystems include all of the living things in a given area, interacting with each other, and also with their non-living environment.
a)
True
b)
False
29.
The sequence of organism through which the energy flows.
a)
food chain
b)
food web
30.
“nature’s recyclers”
a)
consumers
b)
herbivores
c)
decomposers
d)
carnivores
31.
A _____ is an organism that eats another organism.
a)
prey
b)
predator
c)
producers
32.
diatom -> copepod -> blue sprat -> reef squid
In this food chain, the diatom is a producer. Why?
In this food chain, the diatom is a producer. Why?
a)
It eats a consumer.
b)
It eats a producer.
c)
It makes its own food.
d)
It eats another organism.
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