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WorksheetsEcology: Food Chains-Biomes
Total questions: 165
Worksheet time: 2hrs 15mins
Name
Class
Date
1.
What do the arrows show in a food chain picture?
a)
They always point to the smallest animals.
b)
They point to the animal that tastes the best.
c)
They always point to the producers.
d)
They point in the direction that energy is flowing.
2.
Producers get their energy from the ______.
a)
water
b)
Sun
c)
eating animals
d)
eating plants
3.
Which organism is a decomposer?
a)
grass
b)
mouse
c)
mushroom
d)
caterpillar
4.
What is the name of the organism at the beginning of every food chain?
a)
producers
b)
consumers
c)
herbivores
d)
carnivores
5.
Which organisms are the consumers?
a)
deer and squirrel
b)
flowers and deer
c)
deer and mushrooms
d)
squirrel and mushrooms
6.
Which organism is a producer?
a)
deer
b)
trees
c)
birds
d)
worms
7.
Which food chain is in the correct order?
a)
cat, grass, bird, snail
b)
bird, snail, grass, cat
c)
grass, snail, bird, cat
d)
grass, cat, bird, snail
8.
Molds, bacteria, and worms are ________.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
9.
Which food chain is in the correct order?
a)
Sun, bird, caterpillar, plant
b)
bird, caterpillar, plant, Sun
c)
Sun, plant, caterpillar, bird
d)
caterpillar, Sun, bird, plant
10.
Green plants are _______.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
11.
Organisms that eat only plants are ______.
a)
carnivores
b)
herbivores
c)
omnivores
d)
food chains
12.
Organisms that only eat meat are ______.
a)
omnivores
b)
carnivores
c)
herbivores
d)
food chains
13.
Organisms that eat both meat and plants are _______.
a)
herbivores
b)
omnivores
c)
carnivores
d)
food chains
14.
What is the name for the organism that eats the producer?
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
15.
The organism that eats the secondary consumer is called the
a)
primary consumer
b)
tertiary consumer
c)
secondary consumer
d)
producer
16.
What is the name for the organism that eats the primary consumer?
a)
secondary consumer
b)
tertiary consumer
c)
producer
d)
decomposer
17.
Consumers can make their own food
a)
True
b)
False
18.
Which organism is the apex (top) predator in this ecosystem?
a)
algae/seaweed
b)
sea lion
c)
killer whale
d)
penguin
19.
Which organism is the tertiary consumer in the food chain pictured?
a)
sea lion
b)
killer whale
c)
penguin
d)
small fish
20.
Which organism is the producer?
a)
small fish
b)
penguin
c)
algae/seaweed
d)
killer whale
21.
Earthworms help break down plant and animal remains and return the nutrients back into the soil. What are earthworms?
a)
consumers
b)
decomposers
c)
producers
d)
predators
22.
What does the snake eat?
a)
frog
b)
hawk
c)
mushroom
d)
grasshopper
23.
Which organism eats the snake?
a)
frog
b)
hawk
c)
mushrooms
d)
grasshopper
24.
What does the grasshopper eat?
a)
frog
b)
hawk
c)
grass
d)
mushrooms
25.
What eats the grasshopper?
a)
grass
b)
snake
c)
frog
d)
hawk
26.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
27.
How many predators does the squid have?
a)
1
b)
2
c)
3
d)
4
28.
Name the producers in this food web.
a)
seagull and fish
b)
penguin and crab
c)
phytoplankton and seaweed
d)
seaweed and zooplankton
29.
The krill is eaten by which consumer?
a)
blue whale
b)
phytoplankton
c)
leopard seal
d)
penguin
30.
Which consumer receives energy from the leopard seal?
a)
blue whale
b)
penguin
c)
killer whale
d)
elephant seal
31.
What type of consumer is the shrew?
a)
herbivore
b)
omnivore
c)
carnivore
32.
What type of consumer is the impala?
a)
herbivore
b)
omnivore
c)
carnivore
33.
They caracal is prey to which animal?
a)
snake
b)
mouse
c)
grasshopper
d)
baboon
34.
Which of the following is a predator of the shrew?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
35.
What type of consumer is the wolf?
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
36.
a deer population has significantly increased, the best hypothesis is
a)
the deer's main predator has been eliminated
b)
competition increased
c)
decreased water levels of local ponds
d)
organisms that rely on similar food sources migrated to the area
37.
Which event is the best example of competition between species in a pond?
a)
dragonflies landing on lily pads
b)
lizards and snakes lying in the sun
c)
hawks eating mice
d)
frogs and toads eating flies
38.
Which is the smallest level of an ecosystem?
a)
organsism
b)
population
c)
community
d)
ecosystem
39.
Birds eat insects off the skin of cows. If the relationship is a type of mutualism, then the organisms that will benefit are
a)
only the cattle
b)
neither the birds or the cattle
c)
both the birds and the cattle
d)
only the birds
40.
Which relationship describes predator/prey
a)
hawks and shrubs
b)
mountain lion and deer
c)
frogs and trees
d)
grasses and crickets
41.
A diagram that shows the amount of energy that moves from one feeding level to another is termed..
a)
energy pyramid
b)
adaptation
c)
autotroph
d)
food web
42.
a system of food chains that shows the transfer of energy is termed
a)
food web
b)
food chain
c)
prey
d)
predator
43.
an organism that can produce its own food through photosynthesis
a)
consumer
b)
heterotroph
c)
autotroph
d)
herbivore
44.
Commensalism is
a)
one species benefits, the other is not affected
b)
both species benefit
c)
both species are harmed
d)
one species benefit, the other is harmed
45.
Biodiversity is
a)
the variety of species within an ecosystem
b)
a large number of the same species in an ecosystem
c)
an abundant amount of the same primary consumers
d)
the ability to have an abundant source from the same species
46.
an example of producer consumer relationship would be
a)
lion eating a deer
b)
grasshopper getting energy from grass
c)
hawk getting energy from snakes
d)
earthworm breaking down dead material
47.
A habitat is home to a tangle of food chains called ___
a)
a nutrient hub
b)
an energy chain
c)
a food web
d)
the carbon cycle
48.
The interaction of living and non-living things in a habitat is called ___
a)
an environment
b)
an ecosystem
c)
a food web
d)
a food chain
49.
The things in an ecosystem are all ___
a)
separate
b)
connected
c)
scattered
d)
unrelated
50.
In the example, none of the animals had enough to eat, all because of the loss of ___
a)
one species
b)
two species
c)
three species
d)
several species
51.
In every ___, the plants and animals are connected.
a)
ecosystem
b)
organization
c)
entanglement
d)
spider web
52.
Ecosystems tend to be ___
a)
in decline
b)
out of balance
c)
delicate
d)
in balance
53.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
54.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff
55.
What's the role of consumers in a food chain?
a)
Use sunlight to make food
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
56.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
57.
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.
58.
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.
d)
They have no resources available to them.
59.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
60.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
61.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
62.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
63.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
64.
If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?
a)
coyote
b)
insect
c)
lizard
d)
shrub
65.
The diagram represents a pyramid of energy in an ecosystem. Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
66.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
67.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
68.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
69.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
70.
A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?
a)
A
b)
B
c)
C
d)
D
71.
A third-level consumer has to be which type?
a)
Carnivore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
72.
Which trophic level is the Primary consumer?
a)
1
b)
2
c)
3
d)
4
73.
Level 1 is called the _____________ trophic level.
a)
Tertiary consumer
b)
Tertiary producer
c)
Primary consumer
d)
Primary producer
74.
Position that an organism occupies based on what it eats
a)
biomass
b)
autotroph
c)
trophic level
d)
carnivore
75.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
76.
An organism that eats another organism.
a)
Autotroph
b)
Heterotroph
c)
Plant
d)
Producer
77.
A third-level consumer has to be which type?
a)
Carnivore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
78.
A secondary consumer
a)
eats primary consumers
b)
eats producers
c)
eats plants
79.
All the organisms on earth get their energy directly or indirectly from?
a)
Oxygen
b)
Water
c)
Nitrogen
d)
The Sun
80.
A habitat is a specific place that an animal lives.
a)
True
b)
False
81.
This habitat has a lot of tall grasses and gets a lot of sunlight because there aren't many trees.
a)
Stream
b)
Meadow
c)
Forest
d)
Polar Region
82.
What animal would you most likely find in the desert habitat?
a)
Squirrels
b)
Foxes
c)
Camels
d)
Sharks
83.
A place where plants and animals live and grow is called a ____________. It provides, food, water, shelter, and air.
a)
shelter
b)
tree
c)
habitat
d)
organism
84.
A forest is a habitat that has a lot of trees and animals such as squirrels, deer, snakes, and birds.
a)
True
b)
False
85.
The water in a stream habitat is salty.
a)
True
b)
False
86.
A habitat with big open spaces of grass and very little rain and trees is called a ___________.
a)
forest
b)
desert
c)
grasslands
d)
tundra
87.
An organism's ability to survive and reproduce
a)
niche
b)
habitat
c)
adaptation
d)
fitness
88.
The idea that no two species within an ecosystem can occupy the exact same niche
a)
niche overlap
b)
niche differentiation
c)
competitive exclusion
d)
niche decay
89.
An organism's _________ is defined as the environment in which it lives.
a)
habitat
b)
niche
c)
social structure
d)
ecosystem
90.
Which of the following would correctly label the y-axis in the diagram?
a)
level of limiting factor
b)
number of individuals
c)
niche level
d)
number of tolerances
91.
A species whose presence indicates the health of an ecosystem
a)
keystone species
b)
Indicator species
c)
plants
d)
producers
92.
If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?
a)
It will increase.
b)
It will decrease.
c)
It will stay the same.
d)
It will fluctuate.
93.
Largest number of individuals of a population that the environment can support...
a)
carrying capacity
b)
population crash
c)
lag phase
d)
mutualism
94.
What is the carrying capacity for this sheep population?
a)
1.8 million
b)
1.25 million
c)
1.6 million
d)
1.o million
95.
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
96.
Food, water, sunlight, shelter, and space are resources that are often __________.
a)
limiting factors
b)
wet
c)
messy
d)
found in rocks
97.
If there is more food than usual in an ecosystem, then the population will mostly likely...
a)
stay the same
b)
decrease
c)
increase
98.
Any thing or organism that regulates the size of a population of another organism is known as __________.
a)
a limiting measure
b)
a limiting factor
c)
factorization
d)
materialization of precipitation
99.
In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?
a)
Squirrel Population
b)
Sunlight
c)
Grass available
100.
number of organisms per certain area
a)
carrying capacity
b)
limiting factor
c)
total population
d)
population density
101.
When organisms move out of the population, this is known as
a)
emigration
b)
abandonment
c)
immigration
d)
succession
102.
What is happening in a population as it decreases?
a)
more emigration occurs
b)
more immigration occurs
c)
the birth rate and death rate remain the same
103.
All of the following are limiting factors except
a)
immigration
b)
competition
c)
predation
104.
What happened to the wolf population between 1980 and 1982?
a)
it increased rapidly
b)
it decreased rapidly
105.
which statement sounds accurate based on the graph data.
a)
The zebra and lions do not affect each other
b)
when lions population increases, so does the zebra population
c)
When the zebra population increases, it causes the lion population to also increase
d)
when zebra populations go down, the zebra population goes up.
106.
Populations consist of
a)
a single species
b)
multiple species
c)
the biotic and abiotic factors of an environment
d)
a grouping of ecosystems
107.
What decreases the size of a population
a)
immigration
b)
emigration
108.
An ecosystem is classified into a biome by its
a)
climate
b)
environment
c)
climax community
d)
geriatric population
109.
Symbiosis of benefit to both symbiotes
a)
mutualism
b)
commensalism
c)
parasitism
d)
ismismism
110.
Disease is an example of
a)
density dependent limiting factors
b)
density independent limiting factors
111.
A massive tornado
a)
density dependent limiting factor
b)
density independent limiting factor
112.
a)
exponential growth curve
b)
logistic growth curve
113.
Which of the following statements is correct?
a)
Population size of predators increases when their prey is scarce.
b)
Competition for resources is density-independent when food is plentiful.
c)
Disease is density-dependent because transmission occurs more easily when a population is large.
d)
A change in average temperature is a density-dependent factor because fewer organisms can acclimate to variations in temperature.
114.
To assess a population’s growth rate, an ecologist must know how many individuals are born, how many died, and how many move away in a given period of time. What else must an ecologist know?
a)
how many individuals find mates
b)
how many individuals move in from somewhere else
c)
how many individuals carry communicable diseases
d)
how many individuals are young or old
115.
A population’s ____________________ is the amount that a population’s size changes in a given period of time.
a)
Carrying Capacity
b)
Limiting Factor
c)
Growth Rate
d)
Biome
116.
The size of a population will decrease if mortality ____________________.
a)
Increases
b)
Decreases
c)
Stays the same
117.
Complete:________ ________ – death rate + immigration rate – emigration rate = growth rate
a)
Growth Rate
b)
Birth Rate
c)
Capacity Rate
d)
Tax Rate
118.
What is the relationship between a pig, who has lots of digested food in the intestine (all nutrients have not been absorbed) and a tapeworm who needs to eat food that is digested already?
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
Predator/Prey
119.
What is the relationship between a gumboot chiton, who has large openings under their gills and a scale worm, who needs an animal to live in for protection and water flow?
a)
parasitism
b)
mutualism
c)
commensalism
d)
predator/prey
120.
What is the relationship between zooxanthellae, algae who produces extra nutrients and need a hard place to live for protection and a coral reef, which provides a hard place to live and needs extra nutrients to grow faster?
a)
parasitism
b)
mutualism
c)
commensalism
d)
predator/prey
121.
Which feature helps an animal hide from other animals?
a)
looking like a dangerous animal
b)
being the same color as the place it lives (camoflauge)
c)
having sharp claws or a strong shel
d)
having only a few young and caring for them
122.
A giraffe has a long neck in order to better reach leaves to eat. This is an example of _____.
a)
an adaptation
b)
environment
c)
response
d)
stimulus
123.
What does it mean to survive?
a)
To stay alive
b)
To grow
c)
To have energy
d)
To be born
124.
A scientist puts 100 houseflies in a sealed container; then sprays an insecticide into the container. Ninety-six of the flies die. Four survive. The scientist lets the survivors mate and produce offspring, then repeats the experiment with 100 offspring. Fifty-six of them survive the spray. This experimental result is evidence of –
a)
adaptive radiation
b)
speciation
c)
natural selection
d)
extinction
125.
What genetic change allows organisms to survive natural selection in their environments?
a)
learned behavior
b)
acquired traits
c)
analogies
d)
adaptations
126.
The range of all conditions in which a species lives and how it gets what it needs to survive and reproduce.
a)
population
b)
ecosystem
c)
niche
d)
biology
127.
All of the different organisms interacting in a pond make up
a)
a community
b)
the water cycle
c)
a population
d)
the habitat
128.
What is a community?
a)
It includes all the living and non-living things in an area
b)
One species of organisms in an area
c)
An area that includes all living things
d)
all of the above
129.
All of the nonliving parts of an ecosystem are __________.
a)
biotic
b)
biology
c)
abiotic
d)
biography
130.
A group of organisms of the same species living in the same area are called a/an __________.
a)
community
b)
habitat
c)
population
d)
ecosystem
131.
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
132.
What are biotic factors?
a)
dead things
b)
living things/ organisms
c)
weather
d)
plants
133.
Which is an example of an ABIOTIC factor?
a)
hummingbird
b)
water
c)
dead tree branch
d)
skunk
134.
Which is an example of a BIOTIC factor?
a)
lightning
b)
algae
c)
sand
d)
clouds
135.
An ecosystem is made up of _______ and ________ things.
a)
Living and nonliving
b)
Alive and dead
c)
Plants and animals
d)
Land and water
136.
Communities are made up of living things only. Which one of these is a community?
a)
Trees, birds, dirt, worms
b)
Deer, grass, leaves, bunnies
c)
Whales, water, seashells, fish
d)
Sand, camels, mountains, coyotes
137.
Populations contain more than one member of the species. Which one of these is a population?
a)
Deer and mice
b)
10 squirrels
c)
squirrel
d)
squirrel, deer, and mice
138.
What is another word for population of living things?
a)
Niche
b)
Habitat
c)
Species
d)
Organism
139.
What is the role an organism plays in its ecosystem?
a)
Habitat
b)
Niche
c)
Organism
d)
Population
140.
Any characteristic that helps an organism survive in its ecosystem is an ____________.
a)
Niche
b)
Habitat
c)
Adaptation
d)
Organism
141.
An adaptation a desert tortoise has is:
a)
Long, fin-like legs to move easily in water
b)
Short, stumpy legs with claws to walk easily across sand
142.
What 4 things does an organism need to survive?
a)
Food, water, shelter, space
b)
Food, friends, shelter, space
c)
Water, shelter, prey, predators
d)
Shelter, food, water, humans
143.
The part of Earth where organisms can live.
a)
biotic factors
b)
biosphere
c)
ecology
d)
biology
144.
The study of interactions in an ecosystem.
a)
ecology
b)
philosophy
c)
scientology
d)
biology
145.
A large ecosystem is called a ______
a)
Ecosystem
b)
Habitat
c)
Biome
d)
Niche
146.
What is the main factor that separates the biomes?
a)
Land
b)
Water
c)
Climate
d)
Longitude
147.
Which biome is the driest?
a)
Desert
b)
Tundra
c)
Taiga
d)
Rainforest
148.
Which Biome has permafrost?
a)
Temperate Forest
b)
Rainforest
c)
Taiga
d)
Tundra
149.
Which biome has deciduous trees (which lose their leaves)?
a)
Temperate Forest
b)
Rainforest
c)
Grasslands
d)
Taiga
150.
Which biome has coniferous trees (which don't lose their leaves)?
a)
Taiga
b)
Temperate Forest
c)
Tundra
d)
Grasslands
151.
Which biome has wide-open fields of grass?
a)
Taiga
b)
Grasslands
c)
Temperate Forest
d)
Rainforest
152.
Which biome has the most variety of plants and animals?
a)
Temperate Forest
b)
Rainforest
c)
Tundra
d)
Grasslands
153.
Which biome has 4 seasons?
a)
Taiga
b)
Tundra
c)
Grasslands
d)
Temperate Forest
154.
Which biome is home to lions, zebras, wildebeests, giraffes, and elephants?
a)
Grasslands
b)
Tundra
c)
Rainforest
d)
Temperate Forest
155.
Which biome is home to cacti, scorpions, coyotes, kangaroo rats, and lizards?
a)
Desert
b)
Grasslands
c)
Temperate Forest
d)
Taiga
156.
Which biome is Canada in?
a)
Tundra
b)
Taiga
c)
Temperate Forest
d)
Desert
157.
What is this biome?
a)
Arctic Tundra
b)
Desert
158.
What is this biome?
a)
Grassland
b)
Desert
159.
What is this biome?
a)
Desert
b)
Arctic Tundra
160.
What aquatic biome is characterized by flowing fresh water?
a)
Lakes/Ponds
b)
Mangroves Swamps
c)
Rivers/Streams
d)
Coral Reefs
161.
Which biome is pictured below?
a)
ocean
b)
freshwater
c)
coral reef
d)
wetland
162.
Which biome is pictured below?
a)
freshwater
b)
wetland
c)
coral reef
d)
ocean
163.
Aquatic insects spend at least part of their life cycle in or around
a)
water
b)
plant life
c)
salt water
d)
soil
164.
Microscopic, free-floating, autotrophic organisms that function as producers in aquatic ecosystems are called...
a)
plankton
b)
zooplankton
c)
phytoplankton
d)
bacteria
165.
The photic zone
a)
extends to the bottom of the open ocean
b)
extends as far down as light penetrates
c)
is deep, cold, and permanently dark
d)
is where chemosynthetic bacteria are the producers
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