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Ecosystems 5th Grade NC

Total questions: 75

Worksheet time: 55mins

Name
Class
Date
1.
All of the living AND non-living things in an area that interact with each other are called a/an __________.
a)
community
b)
habitat
c)
population
d)
ecosystem
2.
In which of the following ecosystems can you find fertile, rich soil? 
a)
Grasslands
b)
Wetlands
c)
Oceans
3.
Which of the following ecosystems has temperature that stays the SAME top to bottom?
a)
Grasslands
b)
Forests
c)
Ponds and Lakes
4.
Which part of the ocean receives the LEAST amount of sunlight?
a)
top
b)
middle
c)
bottome
5.
Which of the following ecosystems is AQUATIC?
a)
Wetlands
b)
Oceans
c)
Forests
6.
Which of the following ecosystems is TERRESTRIAL?
a)
Wetlands
b)
Oceans
c)
Lakes and Ponds
7.
What does the term "terrestrial" mean?
a)
Water-based ecosystem
b)
Land-based ecosystem
8.
What does the term "aquatic" mean?
a)
Water-based ecosystem
b)
Land-based ecosystem
9.
Which of the following describes the leaves in a coniferous forest?
a)
circular-shaped
b)
square-shaped
c)
pointy with needles
10.
In a temperate forest, the trees are...
a)
many different colors almost Fall-like
b)
all one main color
c)
very sticky and humid
11.
Which layer of the rainforest receives the most sunlight?
a)
the canopy
b)
the understory 
c)
the forest floor
12.
All of the nonliving parts of an ecosystem are __________.
a)
biotic
b)
biology
c)
abiotic
d)
biography
13.
What are biotic factors?
a)
dead things
b)
living things/ organisms
c)
weather
d)
plants
14.
Temperature, light, air, water, and soil are all  _____  parts of the environment
a)
alive
b)
biotic 
c)
abiotic
d)
living
15.
This ecosystem would have many trees.
a)
Forest
b)
Grassland
c)
Ocean
d)
Lakes/Ponds
16.
This ecosystem contains salt water.
a)
Forest
b)
Grassland
c)
Ocean
d)
Lakes/Ponds
17.
This ecosystem contains brackish water
a)
Forest
b)
Estuary
c)
Ocean
d)
Lakes/Ponds
18.
This ecosystem has very few trees and a lot of varieties of grasses.
a)
Forest
b)
Grassland
c)
Wetland
d)
Lakes/Ponds
19.
This ecosystem receives direct sunlight all day because it has few trees.
a)
Forest
b)
Grassland
c)
Swamp-Wetland
20.
A(n) ___________ is where the river meets an ocean.
a)
wetland
b)
pond
c)
lake
d)
estuary
21.
This ecosystem receives very little rainfall.
a)
Forest
b)
Grassland
c)
Wetland
d)
Ocean
22.
_________ are large bodies of saltwater divided by continents.
a)
Oceans
b)
Lakes
c)
Ponds
d)
Estuaries
23.
_____________ are bodies of freshwater that are surrounded by land.
a)
Oceans
b)
Estuaries
c)
Lakes/Ponds
d)
Forests
24.
Rain forests, temperate forests, deciduous forests, coniferous forests, and taigas are all types of _____________. 
a)
forests
b)
grasslands
c)
wetlands
d)
oceans
25.
Area of land with many trees containing deer, rabbits, bears, ferns, and bushes
a)
Grassland
b)
Estuary
c)
Lake/pond
d)
Forest
26.
Freshwater surrounded by land with turtles, fish, frogs, algae, and tadpoles
a)
Ocean
b)
Forest
c)
Grassland
d)
Lake/pond
27.
Area where fresh water from rivers mixes with salt water from the ocean
a)
Estuary
b)
Grassland
c)
Ocean
d)
Forest
28.
Land that contains fertile soil and tall grasses, and prairie dogs, buffalo, and grasshoppers
a)
Aquatic
b)
Terrestrial
29.
Which best describes an ecosystem?
a)
a system where living and nonliving things interact
b)
a place where there is always rain, soil, sunlight, and air
c)
anywhere there is only one kind of organism
d)
a system where populations stay the same
30.

A simple food chain includes hawks, lizards and insects. Which will most likely happen to the hawk and lizard populations if a pesticide is sprayed to kill the insects, and the hawk and lizard populations cannot find other food in this ecosystem?

a)

Both the hawk and lizard populations will increase.

b)

Both the hawk and lizard populations will decrease.

c)

The lizard population will decrease, but the hawk population will increase.

d)

The hawk population will decrease, but the lizard population will increase.

31.

Which will most likely cause a decrease in predator populations?

a)

An increase in prey populations

b)

A decrease in prey populations

c)

A decrease in decomposers

d)

An increase in producers

32.

As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?

a)

Tropical storms

b)

Increase in predators

c)

Habitat loss

d)

Warmer Temperatures

33.

Which is an example of a decomposer?

a)

Hawk

b)

Mouse

c)

Flower

d)

Mushroom

34.

One morning Jane notices drops of water outside her window. Later in the day, she notices that the drops have disappeared. What most likely caused the drops to disappear?

a)

The water condensed on the plants around the house.

b)

Energy from the sun caused the water to evaporate.

c)

The water cooled enough to turn into water vapor.

d)

Wind blowing on the window turned the water into vapor.

35.

Which process allows green plants to control the amount of water stored in their leaves?

a)

Photosynthesis

b)

Condensation

c)

Respiration

d)

Transpiration

36.

In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?

a)

The ecosystem will become overpopulated with snakes.

b)

There will be a decrease in the population of snakes in the ecosystem.

c)

The nutrition of the soil in the ecosystem will decrease.

d)

More types of plants will begin growing in the ecosystem.

37.

After it rains, a puddle remains on the sidewalk. After a day of sunshine, the puddle is gone. Which process is most responsible for the disappearance of the puddle?

a)

Precipitation

b)

Transpiration

c)

Evaporation

d)

Condensation

38.

How would the woodpecker population in a forest area most likely be affected if a housing development is built in that area?

a)

They would produce more offspring.

b)

They would change the colors of their feathers.

c)

They would experience a decrease in available food.

d)

They would experience a decrease in competition.

39.

Which is most responsible for recycling dead plants and animals in an ecosystem?

a)

Water

b)

Bacteria

c)

Fish

d)

Insects

40.

Which organism is a producer?

a)

Frog

b)

Mushroom

c)

Grass

d)

Lizard

41.
What energy role describes an organism that makes its own food, usually by using energy from the sun?
a)
consumer
b)
producer
c)
carnivore
d)
decomposer
42.
What energy role describes an organism that cannot make its own food and therefore gets energy by eating other organisms?
a)
consumer
b)
producer
c)
autotroph
d)
sunlight
43.
All of the following are types of consumers EXCEPT for
a)
carnivore
b)
herbivore
c)
omnivore
d)
producer
44.
Consumers that eat only meat are called
a)
decomposers
b)
herbivores
c)
carnivores
d)
omnivores
45.
Herbivores eat
a)
meat only
b)
plants only
c)
both meat and plants
d)
freshly dead organisms
46.
Omnivores eat
a)
meat only
b)
plants only
c)
both meat and plants
d)
freshly dead organisms
47.
Carnivores that eat freshly dead organisms are
a)
herbivores
b)
decomposers
c)
omnivores
d)
scavengers
48.
These organisms break down decaying biotic wastes and then return the materials to the ecosystem.
a)
decomposers
b)
scavengers
c)
carnivores
d)
producers
49.
Great white sharks eat fish, rays, and other sharks. This energy role is
a)
producer
b)
omnivore
c)
scavenger
d)
carnivore
50.
Earthworms eat decaying living material in the soil, and then return that energy to the ecosystem. This energy role is
a)
decomposer
b)
autotroph
c)
herbivore
d)
omnivore
51.
Wild pigs eat leaves, plant roots, flowers, lizards, and snakes. This energy role is
a)
producer
b)
omnivore
c)
herbivore
d)
scavenger
52.
Vultures use their excellent sense of smell to find newly dead organisms to eat. This energy role is 
a)
scavenger
b)
decomposer
c)
carnivore
d)
herbivore
53.
An maple tree takes in energy from the sun and uses it to make food for itself. This energy role is
a)
herbivore
b)
omnivore
c)
producer
d)
consumer
54.
A consumer gets energy by doing what?
a)
Making it themselves.
b)
Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
c)
Soaking it up from the ground.
d)
Feeding on other organisms.
55.
A food chain is?
a)
Overlapping food chains in an ecosystem.
b)
The amount of energy that moves from one feeding level to another in a food web.
c)
A series of events in which one organism eats another and obtains energy.
d)
biotic and abiotic factors in an area.
56.
A food web consists of?
a)
Many overlapping food chains in an ecosystem.
b)
A series of events in which one organism eats another and obtains energy.
c)
Amount of energy that moves from one feeding level to another.
d)
Many types of insects that are stuck.
57.
The way energy is passed from one organism to another
a)
food chain
b)
energy
c)
extinct
d)
habitat
58.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
59.
What four things do every organism need for survival?
a)
food, water, dirt, and a hat
b)
protection, water, food, and air
c)
air, sun, dirt, and water
d)
light, electricity, and worms
60.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
61.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
62.
Worms are considered...
a)
producer
b)
consumer
c)
decomposer
63.
Grass is considered a ...
a)
consumer
b)
producer
c)
decomposer
64.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
65.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
66.
Which is the correct food chain order?
a)
Plant-->1st Consumer--> 2nd Consumer 
b)
Plant <-- 1st Consumer <-- 2nd Consumer
c)
2nd consumer     --> 1st consumer  --> Plant
d)
1st Consumer      --> 2nd consumer --> Plant
67.
True/False
Food webs show you everything an animal eats. Food chains show you one thing.
a)
True
b)
False
68.
Different organisms living together in the same area:
a)
community
b)
population
c)
species
d)
ecosystem
69.
All of the living AND non-living things in an particular area is called a(n):
a)
ecosystem
b)
house
c)
community
d)
mountain
70.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
71.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
72.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
73.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
74.

Why might an organism have more than one arrow coming from them in a food web?

a)

More than one organism may eat them.

b)

They may eat more than one other organism.

c)

This organism gets its energy from multiple sources.

75.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 

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