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WorksheetsEcology 1
Total questions: 59
Worksheet time: 59mins
Name
Class
Date
1.
A community of living and nonliving things in their natural environment makes up a
a)
habitat
b)
ecosystem
c)
community
d)
population
2.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
3.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only decomposers
4.
An organism that gets energy from eating other organisms is a ______________
a)
producer
b)
consumer
c)
decomposer
d)
carnivore
5.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
food pyramid
b)
food web
c)
energy pyramid
d)
food chains
6.
An organism that gets energy from breaking down dead organisms, non-living material or waste
a)
producer
b)
consumer
c)
decomposer
d)
scavenger
7.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
d)
an animal that makes its own energy through photosynthesis
8.
An animal that gets energy from eating both plants and animals is a
a)
herbivore
b)
carnivore
c)
omnivore
d)
decomposer
9.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
10.
Which of the following is a living part of the ecosystem?
a)
Air
b)
Sunlight
c)
Mushroom
d)
Soil
11.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
12.
Which of the following is a second level consumer?
a)
grasshopper
b)
frog
c)
hawk
d)
snake
13.
Soil is an example of...
a)
Biotic Factor
b)
Abiotic Factor
c)
Ecosystem
d)
Niche
14.
Water is an example of...
a)
Biotic Factor
b)
Abiotic Factor
c)
Biome
d)
Habitat
15.
A flower is an example of...
a)
Biotic Factor
b)
Abiotic Factor
c)
Population
d)
Ecosystem
16.
Mold is a
a)
producer
b)
consumer
c)
decomposer
d)
scavenger
17.
The most important abiotic factors when studying biomes are...
a)
Food and Water
b)
Water and Sunlight
c)
Temperature and Oxygen
d)
Rainfall and Temperature
18.
This is a simple model that shows the flow of energy through an ecosystem.
a)
Food chain
b)
Energy pyramid
c)
Food web
d)
Food pyramid
19.
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.
20.
Bacteria, fungi, and earthworms are examples of:
a)
scavengers
b)
producer
c)
consumer
d)
decomposers
21.
A __________ includes all living and non-living things in an environment.
a)
population
b)
niche
c)
community
d)
ecosystem
22.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Descreases
c)
Stays the same
d)
Changes up and down
23.
In the energy pyramid shown, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
24.
In this energy pyramid, what is the proper name for ANY ORGANISM ABOVE THE PRODUCER LEVEL?
a)
decomposers
b)
consumers
c)
producers
d)
omnivores
25.
Which type of diagram shows the amount of available energy at each trophic level?
a)
energy pyramid
b)
food chain
c)
food web
d)
food pyramid
26.
What makes an energy pyramid different than a food web or chain?
a)
It shows energy flowing from the top of the chain and downward.
b)
The tropic levels are the opposite
c)
It shows the amount of energy in each trophic level
d)
It shows the relationship between producers and consumers
27.
Why are producers found at the base of the pyramid?
a)
They create all of the energy and therefore have the most energy of all of the trophic levels
b)
There are more plants than animals.
c)
They begin the flow of energy in an ecosystem.
d)
All of these answers are correct.
28.
What is this called?
a)
Food Web
b)
Food Chain
c)
Biotic Factors
d)
Ecosystems
29.
What is this called?
a)
Food Web
b)
Food Chain
c)
Biotic Factors
d)
Energy Pyramid
30.
Which species most likely has the largest population?
a)
Herring
b)
Plankton
c)
Shrimp
d)
Shark
31.
Which example has a bear as a third- level consumer?
a)
A bear ate a human, that ate a fox, that consumed a field mouse, which ate a shrub.
b)
A bear ate a fox, that consumed a field mouse, which ate a shrub
c)
A fox consumed a field mouse, which ate a shrub
d)
A filed mouse ate a shrub.
32.
Select all of the correct answers. Identify the second-level consumers in the food web.
a)
Crab, Salmon, Small Fish
b)
Crab, Shrimp, Small fish
c)
Heron, Small fish, Worm
d)
Salmon, Crab, Heron
33.
Which level in a food web has the most available energy?
a)
Secondary consumers
b)
Decomposers
c)
Producers
d)
Primary consumers
34.
Identify each correct food chain that demonstrates the energy flow of this food web.
a)
Plant>Snail>Bluebird>Eagle
b)
Plant<Snail<Bluebird<Eagle
c)
Plant>Snail<Bluebird>Eagle
d)
Plant<Rabbit<Eagle
35.
The particular role of an organism in its environment is called this.
a)
Biome
b)
Ecosystem
c)
Habitat
d)
Niche
36.
Which of the following describes a species?
a)
all ecosystems in the same climate
b)
all organisms in the same area
c)
organisms that can be found in biome
d)
organisms that can breed with one another
37.
All of the loblolly pine trees in South Carolina is an example of
a)
a biome
b)
a community
c)
an ecosystem
d)
a population
38.
Live organisms such as the crabs, gulls, and sea grass at the coast are part of the same
a)
community
b)
niche
c)
population
d)
species
39.
All of the individuals of one species in a specific area or region at a certain time.
a)
Biome
b)
Community
c)
Habitat
d)
Population
40.
All the different populations in a specific area or region at a certain time.
a)
Biome
b)
Community
c)
Ecosystem
d)
Habitat
41.
Communities in an area and the abiotic factors, including water, sunlight, oxygen, and soil.
a)
Biome
b)
Ecosystem
c)
Population
d)
Species
42.
Individual ecosystems grouped together according to the climate.
a)
Biome
b)
Community
c)
Habitat
d)
Population
43.
The place where an organism lives inside of an ecosystem is called its
a)
Biome
b)
Community
c)
Habitat
d)
Niche
44.
A bee pollinates flowers as it gathers nectar for its food. This behavior is an example of
a)
an abiotic factor
b)
a biotic factor
c)
a habitat
d)
a niche
45.
Which of the following includes only one kind of species?
a)
Biome
b)
Community
c)
Ecosystem
d)
Population
46.
Choose the correct order of organization from smallest to largest
a)
Organism--> Population--> Community--> Ecosystem-->Biome
b)
Community--> Organism--> Population--> Biome --> Ecosystem
c)
Ecosystem--> Community--> Organism--> Population--> Biome
d)
Population-->Organism--> Community--> Ecosystem-->Biome
47.
As shown in this food web, which of these first level and second level consumer?
a)
The deer
b)
The grizzly bear
c)
The butterfly
d)
The marmot
48.
All steps in a food chain always involve a loss of...
a)
light
b)
mass
c)
time
d)
energy
49.
What is used to show the many feeding relationships in an ecosystem?
a)
food webs
b)
trophic levels
c)
food chains
d)
energy pyramid
50.
Which of the following is correctly arranged from lowest to highest trophic level?
a)
algae, deer, hawk, bacteria
b)
bacteria, eagle, frog, mushroom
c)
grass, mouse, snake, eagle
d)
grass, bass, minnow, snake
51.
Read the following passage to answer the questions that follow:
Ducks and snails often eat grass and algae in freshwater ponds. The snails are eaten by mice and ducks. Foxes prefer to eat mice, but will eat a duck if the opportunity arises.
**Which food chain below is illustrated in the passage?
Ducks and snails often eat grass and algae in freshwater ponds. The snails are eaten by mice and ducks. Foxes prefer to eat mice, but will eat a duck if the opportunity arises.
**Which food chain below is illustrated in the passage?
a)
snails → algae → mice → fox
b)
fox → ducks → mice → algae
c)
algae → snails → mice → fox
d)
ducks → mice → snails → grass
52.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
53.
The field mouse population in Australia has grown so fast that they eat an average of $4 billion of wheat every year. Their fast growth is caused by:
a)
A. The mice like to reproduce
b)
B. A lack of a native species to eat the field mouse
c)
C. Abundant food supply
d)
Both B and C
54.
What will happen to the population when the death rate is larger than the birth rate?
a)
increase
b)
decrease
c)
stay the same
d)
no change
55.
What is the carrying capacity of the graph?
a)
around 500
b)
more than 500
c)
less than 500
d)
around 600
56.
Which term describes the number of organisms in a certain area?
a)
carrying capacity
b)
immigration
c)
limiting factors
d)
population density
57.
Organisms entering a population is called
a)
carrying capacity
b)
immigration
c)
emigration
d)
population density
58.
Death rate would be an example of which of the following?
a)
carrying capacity
b)
immigration
c)
emigration
d)
population density
59.
The maximum number of organisms the environment can support or sustain.
a)
carrying capacity
b)
immigration
c)
emigration
d)
population density
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