WorksheetsLevels of Organization in an Ecosystem
Total questions: 100
Worksheet time: 1hrs 12mins
Name
Class
Date
1.
Name the level of organization in the following picture.
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
2.
Name the level of Organization in the following picture.
a)
Organism
b)
Ecosystem
c)
Population
d)
Community
3.
Name the level of Organization in the following picture.
a)
Population
b)
Ecosystem
c)
Community
d)
Organism
4.
Name the level of Organization in the following picture.
a)
Population
b)
Community
c)
Ecosystem
d)
Organism
5.
How many populations are in this picture?
a)
2
b)
4
c)
1
d)
3
6.
Name the level of Organization in the following picture.
a)
Ecosystem
b)
Organism
c)
Community
d)
Population
7.
How many populations are in this picture?
a)
1
b)
2
c)
3
d)
0
8.
How many populations are in this picture?
a)
1
b)
2
c)
0
9.
Name the level of Organization in the following picture.
a)
Organism
b)
Community
c)
Ecosystem
d)
Population
10.
Name the Levels of Organization in an ecosystem in order from smallest to largest.
a)
ecosystem, community, population, organism
b)
organism, community, population, ecosystem
c)
organism, population, community, ecosystem
d)
ecosystem, population, community, organism
11.
A _______________ is made up of the living and nonliving things in an environment that work together for a purpose.
a)
habitat
b)
biotic
c)
ecosystem
d)
economy
12.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
13.
A living or once-living organisms in an ecosystem is a
a)
population
b)
biotic factor
c)
abiotic factor
d)
community
14.
Which of the following is not an abiotic factor?
a)
sun
b)
temperature
c)
soil
d)
grass
15.
"Bio" means _________.
a)
non-living
b)
not/without
c)
life
d)
dead
16.
flowers
a)
biotic
b)
abiotic
17.
sunlight
a)
biotic
b)
abiotic
18.
water
a)
biotic
b)
abiotic
19.
soil
a)
biotic
b)
abiotic
20.
a rabbit
a)
biotic
b)
abiotic
21.
bacteria
a)
biotic
b)
abiotic
22.
wind
a)
biotic
b)
abiotic
23.
temperature
a)
biotic
b)
abiotic
24.
fungus
a)
biotic
b)
abiotic
25.
pollution
a)
biotic
b)
abiotic
26.
dead log
a)
biotic
b)
abiotic
27.
What are the biotic factors in this image?
a)
sunlight, elephants, and grasses
b)
sunlight, water, and air
c)
elephants, plants, trees
28.
What are the abiotic factors in this image?
a)
water, sunlight, dirt, air
b)
birds and plants
c)
water, plants, and birds
29.
The ___________ is the basic unit of life
a)
organ
b)
cell
c)
atom
d)
tissue
30.
Which level of organization is the most complex?
a)
organism
b)
population
c)
community
d)
ecosystem
31.
Multiple organisms of the same species describes a
a)
organism
b)
population
c)
community
d)
ecosystem
32.
What do ecosystems have that the other three levels of organization do not have?
a)
living things
b)
biotic factors
c)
abiotic factors
d)
organisms
33.
A forest full of many kinds of trees and grasses is an example of a
a)
group
b)
organism
c)
population
d)
community
34.
Which is an example of an organism?
a)
a beetle
b)
a lake
c)
a rock
d)
a shell
35.
Which is an example of an ecosystem?
a)
Jungle animals
b)
forest plants
c)
The tundra
d)
Savanna temperatures
36.
Which level of organization is more complex than a population and less complex than an ecosystem?
a)
organism
b)
population
c)
community
d)
ecosystem
37.
Which is an example of a population?
a)
different kinds of bacteria
b)
A group of fish and sharks
c)
deer, bear, and rabbits
d)
A herd of cattle
38.
which is the correct order of the levels of organization from simple to complex?
a)
organism, population, community, ecosystem
b)
ecosystem, community, population, organism
39.
which is another word for an organism?
a)
abiotic factor
b)
biotic factor
c)
nonliving thing
40.
Which is the definition of a community
a)
multiple organisms of the same species
b)
all the living and nonliving things in an area
c)
a living thing
d)
multiple organisms of different species
41.
Which of the following is an abiotic factor that a penguin could interact with in an Arctic environment?
a)
A ray of sunlight that makes the penguin blend into the surface of the water
b)
A shark that sees the penguin and swims toward it under the water
c)
A polar bear that stalks the penguin in hopes of catching and eating it
d)
Another penguin that could be a potential mate
42.
The shark in the water of the Arctic environment is —
a)
an abiotic factor that swims in biotic ocean water.
b)
an abiotic factor the breathes biotic dissolved oxygen that passes into the shark's gills.
c)
a biotic factor that feeds on other biotic factors.
d)
a biotic factor that needs the cool temperature of the biotic Arctic water to survive.
43.
Which of the following represents the lowest level of organization in this forest environment?
a)
The squirrels eating the nuts and acorns from the trees
b)
A group of bushes providing shade for small insects
c)
The group of squirrels mating to produce offspring
d)
A single deer standing near the flowing river
44.
Which of the following is a biotic and an abiotic factor interacting in this pond environment?
a)
Duck and fish
b)
Fish and worm
c)
Bird and cattail
d)
Frog and water
45.
Which of the following is the highest level of organization in this forest environment?
a)
A group of one-hundred pine trees living closely together in the forest
b)
All the organisms living and interacting together in the environment
c)
One hawk flying in the sky over the forest
d)
A group of shrubs in a part of the environment
46.
The duck in this environment interacts with the —
a)
mosquitos, an abiotic factor, by getting bit by these insects.
b)
pond water, an abiotic factor, by paddling around the pond.
c)
trees, an abiotic factor, by resting under its shade.
d)
frog larvae, an abiotic factor, by eating the larvae in the water.
47.
The stingray resting on the bottom of the reef represents —
a)
a population, the highest level of organization in an ecosystem.
b)
an ecosystem, the lowest level of organization in a community. water, an abiotic factor, by paddling around the pond.
c)
an organism, the lowest level of organization in an ecosystem. , an abiotic factor, by resting under its shade.
d)
a community, the highest level of organization in a community.
48.
The palm trees in this oasis are —
a)
biotic factors that absorb biotic sunlight to undergo photosynthesis.
b)
biotic factors that provide shade to other biotic factors.
c)
abiotic factors that absorb abiotic water to grow.
d)
abiotic factors that provide a home a biotic lizards.
49.
The picture above shows a field of wildflowers. Which of the following is NOT an abiotic factor interacting with a biotic factor in this environment?
a)
Rain that gives the flowers water
b)
Soil that gives the flowers nutrients
c)
Sunlight that helps the flowers make energy
d)
Butterflies that land on and pollinate the flowers
50.
The stingray, group of anemonefish, coral, starfish, saltwater, and sand all make up a level of organization called a reef —
a)
organism
b)
ecosystem.
c)
population.
d)
community.
51.
The small bird in this environment interacts with —
a)
a worm, a biotic factor, as it pulls it up from the ground for food.
b)
the soil, a biotic factor, as it searches for food inside the soil.
c)
a duck, an abiotic factor, as it competes for food against the duck.
d)
the tree, an abiotic factor, as it seeks shade under the tree.
52.
The sunlight in this environment is —
a)
an abiotic factor that is absorbed and used by the migratory bird to make food.
b)
a biotic factor that increases the growth of algae in the water.
c)
an abiotic factor that gives energy to the trees and low grasses.
d)
a biotic factor that warms the water of the marsh.
53.
The picture above shows a group of tropical fish interacting with a living tube sponge. Which level of organization does the interaction of the tropical fish with the living tube sponge best represent?
a)
An ecosystem
b)
A community
c)
An organism
d)
A population
54.
Water temperature would be an example of ...
a)
a biotic factor.
b)
an abiotic factor.
55.
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
56.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
57.
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
58.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
59.
Two organisms that are so similar they can interbreed in nature and produce fertile offspring
a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
60.
Nonliving factor that affects an ecosystem...
a)
biotic factor
b)
abiotic factor
c)
food chain
d)
biome
61.
Part of the earth that living organisms inhabit...
a)
biosphere
b)
biome
c)
niche
d)
ecosystem
62.
Living factors or organisms that affect an ecosystem
a)
abiotic factors
b)
species
c)
trophic level
d)
biotic factors
63.
What are the biotic factors in this image?
a)
sunlight, elephants, and grasses
b)
sunlight, water, and air
c)
elephants, plants, trees
64.
What are the abiotic factors in this image?
a)
water, sunlight, dirt, air
b)
birds and plants
c)
water, plants, and birds
65.
An ecosystem contains living and nonliving things.
a)
True
b)
False
66.
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
67.
Which best describes a diurnal animal?
a)
hawk that hunts in day
b)
barn owl hunting at night
c)
opossum feeding at night
d)
bats roosting during the day
68.
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
69.
The ___________ is the basic unit of life
a)
organ
b)
cell
c)
atom
d)
tissue
70.
A group of tissues that work together to perform a similar function is called_____. (Examples include the heart, lungs or stomach)
a)
cells
b)
tissues
c)
organs
d)
organ system
71.
A group of cells that have similar functions? Examples are nervous, epithelial, muscle and connective
a)
cells
b)
tissues
c)
organs
d)
atoms
72.
The smallest unit of life that can sustain itself is called...
a)
an organism.
b)
the biosphere.
c)
a population.
d)
a community.
73.
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
74.
What are groups of different populations living togther in the same place at the same time called?
a)
An organism
b)
A population
c)
A community
d)
A biosphere
75.
What is it called when you have groups of different populations along with their abiotic factors?
a)
An organism
b)
A population
c)
A community
d)
An ecosystem
76.
The temperate decisuous forest, the tropical rain forest, the desert, and the tundra are all examples of...
a)
the biopshere.
b)
biomes.
c)
ecosystems.
d)
communities.
77.
A duck, a dragonfly, a morel mushroom and a bobcat are all examples of...
a)
organisms.
b)
populations.
c)
communties.
d)
ecosystems.
78.
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
79.
Jacob is going out to his grandparents fram. 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
80.
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
81.
What is a group of ecosystems that share similar climates and types of organisms called?
a)
A community
b)
A biome
c)
An ecosystem
d)
A biosphere
82.
Antonio and Javier are astronauts in space looking back at Earth and discussing how all the life on Earth interacts with each other as well as the nonliving things. What level of organization are they discussing?
a)
A community
b)
A biome
c)
An ecosystem
d)
A biosphere
83.
All of the student, faculty and staff at Hazelwood West high school are considered what level of organization?
a)
A population
b)
A community
c)
A biome
d)
An ecosystem
84.
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
85.
The parts of an ecosystem that are currently living or that have once lived.
a)
Biotic Factor
b)
Abiotic Factor
c)
Species
d)
Biome
86.
The factors in an ecoysystem that have never had the ability to .
a)
Biotic Factor
b)
Abiotic Factor
c)
Biome
d)
Community
87.
The routine an organism goes through that includes both living and non-living parts of an ecosystem that determines an organisms role in the habitat.
a)
Niche
b)
Habitat
c)
Organism
d)
Community
88.
Identify the examples as: a organism, population, community, or ecosystem.
All speckled sting-ray that live in the Pacific Ocean
All speckled sting-ray that live in the Pacific Ocean
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
89.
Identify the examples as: a organism, population, community, or ecosystem.
Water, Fish, Turtles, Oxygen, Rocks and Moss interacting in a river system.
Water, Fish, Turtles, Oxygen, Rocks and Moss interacting in a river system.
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
90.
The smallest level of ecological organization is called...........
a)
Organism
b)
Tissue
c)
Ecosystem
d)
Organ System
91.
The largest level of ecological organization which includes all biotic and abiotic factors.
a)
Ecosystem
b)
Organism
c)
Population
d)
Community
92.
Any ONE living thing.
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
93.
An actual location in an environment that provides the things an organism needs to live, grow, and reproduce.
a)
Habitat
b)
Ecosystem
c)
Species
d)
Community
94.
Identify the examples as: a organism, population, community, or ecosystem.
Chicken, Cow, Grass, Buffalo, and Mouse living on farmland.
Chicken, Cow, Grass, Buffalo, and Mouse living on farmland.
a)
Organism
b)
Community
c)
Population
d)
Ecosystem
95.
Abiotic factors in included in communities and ecosystems.
a)
True
b)
False
96.
Which of the following is the most simple level of ecological organization?
a)
A community
b)
An individual or species
c)
A population
d)
An ecosystem
97.
TRUE or FALSE: A community includes all abiotic and biotic factors.
a)
TRUE
b)
FASLE
98.
TRUE or FALSE: An ecosystem contains only biotic factors.
a)
TRUE
b)
FALSE
99.
Which level of ecological organization is composed of many similar ecosystems with the same climate and geographic locations?
a)
A community
b)
A population
c)
A biome
d)
A biosphere
100.
The study of organisms and how they interact with one another and their environment is best described as
a)
Biology
b)
Ecology
c)
Zoology
d)
Botany
100 %
