NEW
Font size
S
M
L
XL
WorksheetsEcosystems
Total questions: 50
Worksheet time: 2hrs 55mins
Name
Class
Date
1.
Which is an example of an abiotic factor in a desert?
a)
Sun
b)
cactus
c)
scorpion
d)
snake
2.
Which is an example of a biotic factor in a desert?
a)
Sun
b)
soil
c)
snake
d)
minerals
3.
Which answer best describes a consumer in an ecosystem?
a)
A living organism that eats other living organisms
b)
Someone that buys something
c)
A living organism that produces food for other living organisms
d)
An abiotic factor
4.
Which answer best describes a decomposer?
a)
an organism that produces oxygen
b)
an organism that is dead and decomposing
c)
an organism that is not natures recycler
d)
an organism that gets energy by breaking down dead organisms
5.
A single living thing is a(n) ___________.
a)
Population
b)
Ecosystem
c)
Community
d)
Organism
6.
A group of bunnies living in the forest in the winter is an example of a __________.
a)
Population
b)
Ecosystem
c)
Species
d)
Community
7.
What is an ecosystem?
a)
A group of animals that are the same species.
b)
Soil, water, air and sunlight
c)
All the living and non living things that interact in an area.
d)
North America
8.
Which of these is NOT an example of an ecosystem?
a)
Rainforest
b)
A great white shark
c)
Desert
d)
Deep ocean
9.
Which is a non-living part of an ecosystem?
a)
Sunlight
b)
Air
c)
Water
d)
All of these
10.
Which ecosystem is usually found near the earth's equator where it is very warm and has lots of trees and animals such as parrots and jaguars.
a)
Rainforest
b)
Desert
c)
Boreal Forest
d)
Tundra
11.
What is the name for all the animals of the same species living in an area at the same time?
a)
Population
b)
Community
c)
Species
d)
Organism
12.
What is the definition of Biotic factors?
a)
Nonliving things
b)
plants
c)
Living things or organisms
d)
soil
13.
What is a example of an abiotic factor?
a)
Panda
b)
Turtle
c)
Butterfly
d)
weather
14.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
15.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
16.
Energy flow for an ecosystem starts with...
a)
Sun
b)
Moon
c)
Food
d)
Consumers
17.
Which of the following has only abiotic factors?
a)
Sunlight, algae, and temperature
b)
Guppy, crab, oxygen
c)
Sunlight, soil, and weather
d)
Algae, temperature, and dog
18.
The role of plants in a food web is
a)
consumer
b)
decomposer
c)
predator
d)
producer
19.
Choose the complete and logical food chain.
a)
sun-plant-rabbit- eagle
b)
deer - squirrel- plant-sun
c)
sun -deer-plant- eagle
d)
eagle- squirrel-rabbit- plant- eagle
20.
How do plants get their energy (food)?
a)
Plants get their food from the soil and water
b)
Plants use the energy from the sun, air, and water to make their food
c)
Plants get their food from minerals
d)
Plants get their food from the decaying plants and animals
21.
Is this a...
a)
Single Organism
b)
Population
c)
Community
22.
Is this a...
a)
Single Organism
b)
Population
c)
Community
23.
Is this a...
a)
Single Organism
b)
Population
c)
Ecosystem
24.
Is this a...
a)
Single Organism
b)
Population
c)
Community
25.
a)
Single Organism
b)
Population
c)
Rainforest
d)
Ecosystem
26.
a)
Organism
b)
Population
c)
Desert
d)
Ecosystem
27.
Mules and Ligers are examples of different species reproducing.
a)
True
b)
False
28.
Is this a...
a)
Single Organism
b)
Population
c)
Community
d)
Ecosystem
29.
Is this a...
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
30.
a rock is
a)
biotic
b)
abiotic
31.
water is
a)
biotic
b)
abiotic
32.
True or False: The Tropical Rainforest is cold and dry with no rain.
a)
True
b)
False
33.
Which organisms receive their energy from the sun?
a)
producers
b)
consumers
c)
decomposers
d)
scavengers
34.
What are interconnected food chains called?
a)
consumers
b)
predators
c)
food web
d)
food pyramids
35.
Which organisms eat other living organisms to survive?
a)
producers
b)
consumers
c)
decomposers
d)
scavengers
36.
When a species no longer exists
a)
extinct
b)
threatened
c)
fossilized
d)
endangered
37.
Animals that only eat plants are called:
a)
omnivores
b)
carnivores
c)
producers
d)
herbivores
38.
Animals that eat other animals are called:
a)
producers
b)
omnivores
c)
carnivores
d)
herbivores
39.
An ________ eats both plants and animals.
a)
carnivore
b)
omnivore
c)
herbivore
d)
producer
40.
A ______________ eats mainly other animals.
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
41.
Shows how energy flows from one organism to another.
a)
food cycle
b)
prey chain
c)
food chain
d)
predator cycle
42.
In one ecosystem, snakes eat birds, plants make fruit, and birds eat fruit. Which is the correct food chain?
a)
snake>plant>bird
b)
bird>plant>snake
c)
plant>bird>snake
d)
snake>bird>plant
43.
What is the role of a tree in a food chain?
a)
It breaks down wastes and dead organisms
b)
It uses the sun's energy to make food.
c)
It eats other organisms.
d)
It cannot make its own food.
44.
This drawing shows a forest ecosystem. Which of the animals is an herbivore?
a)
fox
b)
frog
c)
deer
d)
ducks
45.
Donte is studying a river ecosystem. What biotic factors are likely to be present in a river ecosystem?
a)
coral, clown fish, sponges
b)
otters, ducks, bass
c)
water, soil, crayfish, ducks
d)
water, soil, air, sunlight
46.
Primary succession occurs on
a)
bare rock
b)
existing soil
47.
Farmers plowing fields and forest fires both disturb existing ecosystems and cause this type of succession
a)
primary
b)
secondary
c)
tertiary
48.
This picture shows a lichen- it is an example of a ________species
a)
hybrid
b)
secondary
c)
carnivore
d)
pioneer
49.
The basic unit of living things are...
a)
atoms
b)
cells
c)
photons
d)
muscles
50.
True or False: All living things move, grow, reproduce.
a)
True
b)
False
Reset
