wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Levels of Ecological Organization

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
Water temperature would be an example of ...
a)
a biotic factor.
b)
an abiotic factor.
2.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
3.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
4.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
5.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
6.

Two organisms that are so similar they can interbreed in nature and produce fertile offspring.

a)

biotic factor

b)

herbivore

c)

ecosystem

d)

species

7.
The smallest unit of life that can sustain itself is called...
a)
an organism.
b)
the biosphere.
c)
a population.
d)
a community.
8.
What is it called when a group of the same organisms living together in the same place at the same time?
a)
An organism
b)
A population
c)
A community
d)
A biome
9.
When all the ecosystems on Earth are combined it is called...
a)
a community.
b)
a biome.
c)
a biosphere.
d)
an Earthsphere.
10.
A duck, a dragonfly, a morel mushroom and a bobcat are all examples of...
a)
organisms.
b)
populations.
c)
communties.
d)
ecosystems.
11.
Andrea is on the grils cross country tream. She is heading out for a run when she comes across 20 Canadian geese.  What level of organization is this group of Canadian geese?
a)
organism
b)
population
c)
community
d)
biome
12.

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish at. When he is fishing he sees many differernt speacies of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

a)

organism

b)

population

c)

community

d)

ecosystem

13.
Abby is walking to school with her best friend Jaylyn. They begin talking about everything they see including the ash trees, grass, weeds, ants, and people. They also notice how cold it is, how there are several large puffy clouds out, and how the sun is just starting to come up.  What level of organization are they discussing?
a)
community
b)
ecosystem
c)
biome
d)
biosphere
14.
What are the ecological levels of organization from smallest to the largest?
a)
organism, population, community, ecosystem, biome, biosphere
b)
organism, community, population, ecosystem, biome, biosphere
c)
organism, population, community, biome, ecosystem, ecosphere.
d)
organism, community, population, biome, ecosystem, ecosphere
15.
Nonliving factor that affects an ecosystem...
a)
biotic factor
b)
abiotic factor
c)
food chain 
d)
biome
16.

What are the biotic factors in this image?

a)

sunlight, elephants, grasses

b)

sunlight, water, oxygen

c)

elephants, autotrophs, food supply

d)

precipitation, heterotrophs, soil

17.

What are the abiotic factors in this image?

a)

water, sunlight, dirt

b)

birds, plants, predators

c)

water, plants, parasites

d)

oxygen, water, grasses

18.
An ecosystem contains living and nonliving things.
a)
True
b)
False
19.
Which of the following is a population?
a)
hawks, barred owls, and eagles on NC coast
b)
mountain stream
c)
all the frogs in a pond
d)
blue-tailed skinks (lizards) around a barn
20.
Which of the following best describes a community?
a)
sharks, groupers, anemones and shrimp on a coral reef
b)
decorator crabs on the seafloor
c)
loggerhead sea turtles in Atlantic
d)
prairie grassland in Wyoming