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Worksheets5th Grade Ecosystem Review
Total questions: 45
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
The relationship between seaweed and sea turtles is an example of
a)
decomposition
b)
predator and prey
c)
competition
d)
producer and consumer
2.
How is a food web different from a food chain?
a)
A food web combines many different food chains.
b)
A food web does not include decomposers whereas a food chain does.
c)
A food web is for insects whereas a food chain is for mammals.
d)
A food web is for insects whereas a food chain is for mammals.
3.
Organism A spends a significant portion of its life in or on organism B. Organism A causes harm to organism B without immediately killing it. Which of the following describes this interaction?
a)
parasite/host
b)
predator/prey
c)
carnivore/omnivore
d)
host/parasite
4.
With which abiotic factor does a black bear interact?
a)
salmon
b)
plants
c)
insects
d)
a cave
5.
What is the role of an oak tree in an ecosystem?
a)
It cannot make its own food.
b)
It uses the sun's energy to make food.
c)
It eats other organisms.
d)
It breaks down dead organisms and returns nutrients to the soil.
6.
Which of the following is an interaction with an abiotic element of the environment?
a)
catching beetles on the lawn
b)
drinking water from a stream
c)
burying acorns by an oak tree
d)
running from a neighbor's cat
7.
A forest food chain contains a tree, grasshopper, lizard, bird, and wolf. Which organism(s) are consumers?
a)
All of the organisms
b)
wolf, lizard, and bird
c)
wolf
d)
wolf, lizard, bird, and grasshopper
8.
Which type of organism "recycles" nutrients back into an ecosystem?
a)
decomposers
b)
consumers
c)
producers
d)
omnivores
9.
A pond ecosystem includes a number of different types of birds, mammals, reptiles, and fish. All of these different groups make up the ecosystem's
a)
microorganisms
b)
abiotic factors
c)
populations
d)
community
10.
Manual builds a terrarium (plant in a glass) for his pet lizard. Which is an abiotic factor he should include in the habitat?
a)
plants
b)
insects
c)
water
d)
fish
11.
An ecosystem only has a certain amount of _______________ to support a certain number of organisms.
a)
clothing
b)
limiting factors (food, water, space, and shelter)
c)
grass
d)
none of the above
12.
How do tides affect an estuary?
a)
They control the population of sharks that are living
b)
They control how much water covers the land
c)
They control the amount of algae that grows
d)
They control the salinity of water
13.
A non-native plant in an ecosystem spreads quickly. This will most likely directly affect the native plants by
a)
leaving them less space
b)
giving them more food
c)
helping them grow
d)
leaving them more sun
14.
Which of the following would be the best habitat for a pet cricket?
a)
a birdcage
b)
a cardboard box
c)
an aquarium
d)
a terrarium
15.
Which of the following is an example of a community?
a)
squirrels, red robins, and pine trees
b)
a group of thirteen blue jays
c)
a school of flounder
d)
sand, rocks, and air
16.
In one ecosystem, snakes eat birds, plants make fruit, and birds eat fruit. What is the correct food chain?
a)
snake→plant→bird
b)
bird→plant→snake
c)
plant→bird→snake
d)
snake→bird→plant
17.
Which animal is an herbivore?
a)
fox
b)
deer
c)
frog
d)
coyote
18.
Which two organisms show a parasite and host interaction?
a)
a tick and a dog
b)
a hawk and a snake
c)
a person and spiders
d)
flowers and bees
19.
A condition or resource that keeps a population at a certain size is known as a _______________
a)
balance of nature
b)
population
c)
limiting factor
d)
community
20.
Danielle is studying an ocean ecosystem. What biotic factors are likely to be present in an ocean ecosystem?
a)
coral, clown fish, and sponges
b)
otters, ducks, and trout
c)
water, soil, crayfish, and ducks
d)
water, sunlight, and rocks
21.
All members of one kind of organism that live in the same area
a)
population
b)
microorganism
c)
communit
d)
organism
22.
All the living parts of an ecosystem
a)
biotic
b)
abiotic
c)
cell
d)
atom
23.
Is sunlight a biotic or abiotic factor?
a)
biotic
b)
abiotic
24.
All of the non-living parts of an ecosystem
a)
abiotic
b)
biotic
c)
population
d)
community
25.
A group of different populations of organisms
a)
population
b)
organism
c)
community
d)
habitat
26.
Land-based ecosystem including forests and grasslands
a)
terrestrial
b)
abiotic
c)
biotic
d)
aquatic
27.
Have many trees, shrubs, grasses, ferns, and a variety of animals
a)
forest
b)
grassland
c)
ocean
d)
lake
28.
Have fertile soil and are covered with tall grasses
a)
forest
b)
grasslands
c)
lakes
d)
oceans
29.
Body of fresh water completely surrounded by land
a)
lake
b)
river
c)
ocean
d)
island
30.
Large body of saltwater divided by continents
a)
ocean
b)
lake
c)
stream
d)
estuary
31.
Found where freshwater rivers meet oceans
a)
estuaries
b)
lake
c)
pond
d)
inlet
32.
This ecosystem does not contain saltwater?
a)
ocean
b)
estuary
c)
river
33.
Organisms that use light energy to produce food
a)
producer
b)
consumer
c)
decomposer
d)
herbivore
34.
Organisms that cannot make their own food so they must eat plants and/or other animals
a)
consumer
b)
producer
c)
plants
d)
microorganisms
35.
Animals that eat only plants
a)
herbivores
b)
omivores
c)
carnivores
d)
insectivores
36.
Animals that eat only meat
a)
carnivores
b)
herbivores
c)
omnivores
d)
predators
37.
Animals that eat both plants and animals
a)
insectivores
b)
omnivores
c)
carnivores
d)
herbivores
38.
Consumers that get the energy they need by breaking down dead or decaying matter
a)
decomposers
b)
omnivores
c)
predators
d)
herbivores
39.
A series of plants and animals in which each organism is a source of food for the next in the series
a)
food web
b)
food chain
c)
food circle
d)
predator
40.
Interconnected food chains
a)
food web
b)
community
c)
predator
d)
ecosystem
41.
Animals that hunt and kill other animals for food
a)
predator
b)
prey
c)
parasite
d)
host
42.
Animals that are hunted and killed as food for other animals
a)
prey
b)
predator
c)
host
d)
parasite
43.
An organism that spends a significant portion of its life in or on a living host
a)
predator
b)
prey
c)
host
d)
parasite
44.
Organisms or cells that serve as a home or source of food for a parasite
a)
parasite
b)
host
c)
decomposer
d)
prey
45.
The relationship between numbers of organisms and the resources available in an ecosystem
a)
balance of nature
b)
limiting factor
c)
ecosystem
d)
pollution
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