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#10 Food Webs, Adaptations

Total questions: 58

Worksheet time: 2hrs 34mins

Name
Class
Date
1.
Use the diagram answer the question.
What is a fitting description for this diagram?
a)
A Food Chain
b)
An Ecosystem
c)
A Food Web
d)
Biotic and Abiotic Factors
2.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
3.
Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?
a)
Population
b)
Resources
c)
Community
d)
Competition
4.
The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
5.
The snake and the frog, are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
6.

An animal that gets energy from eating both plants and animals is a(n)

a)

herbivore

b)

carnivore

c)

omnivore

7.

Which of the following is NOT a consumer

a)

grass

b)

dog

c)

shark

d)

fish

8.

Which of the following is a living part of the ecosystem?

a)

Air

b)

Sunlight

c)

Mushroom

d)

Soil

9.

Decomposers get energy from...

a)

the sun

b)

eating plants

c)

eating animals

d)

dead things and waste

10.

Arrows in a food web represent...

a)

eating

b)

sunlight

c)

energy

d)

matter

11.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

12.

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

13.

An animal that hunts other animals for food is a ___________

a)

herbivore

b)

predator

c)

prey

d)

omnivore

14.

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

15.

ow many types of organisms in this food web obtain energy directly from producers?

a)

two

b)

three

c)

four

d)

five

16.

Which type of organism should replace the X in the food web?

a)

an omnivore

b)

an herbivore

c)

a carnivore

d)

a producer

17.

The deer population has significantly increased in an ecosystem, 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
18.
A foreign insect is introduced into the Texas. It eats a lot of leaves, and trees start to become leafless. Many different animals feed on the new insect, but even they cannot control its numbers. Eventually, trees begin to die. Why would a rapid increase of the new insect population cause certain species of herbivores to vanish or be fewer in number?
a)
They would not have enough to eat. 
b)
They would not have enough space to live.
c)
They would not have tree bark to eat.
19.
A manatee is a water-dwelling herbivore on the list of endangered species. If manatees were to become extinct, what would be the most likely result in areas where they had lived?
a)
Certain producer organisms would become more abundant in the area.
b)
Other manatees would move into the area and restore balance.
c)
Predators in the area would have more food to eat.
d)
The area would not be affected.
20.
Scientists are concerned about overfishing of shark populations. Sharks feed on rays and rays feed on scallops. Without sharks, rays consume all the scallop beds. This situation demonstrates that: 
a)
humans can improve an ecosystem by removing predators.
b)
humans can upset an ecosystem by removing species.
c)
reducing the shark population increases the quantity of scallops that can be taken.
d)
sharks are not important for the stability of the ecosystem.
21.
Raccoons eat aquatic animals. If chemicals entered the lake with rain water and destroyed the plants, how would this impact the raccoon population?
a)
Raccoons would have more aquatic animals to eat.
b)
Raccoons would begin eating land plants.
c)
Raccoons would have less aquatic animals to eat.
d)
Raccoons would only drink water.
22.
Highways allow people to travel between towns and cities, but it also divides ecosystems into smaller pieces. Animals can become separated from lakes they use for food and shelter. For example, tiger salamanders use lakes for these reasons. How could the building of highways affect animals such as the tiger salamander?
a)
Tiger salamanders could improve lake ecosystems.
b)
Tiger salamanders may be cut off from important resources.
c)
Tiger salamander habitats may have less pollution.
d)
Tiger salamander habitats within ecosystems would become larger.
23.
A foreign insect is introduced into the Texas. It eats a lot of leaves, and trees start to become leafless. Many different animals feed on the new insect, but even they cannot control its numbers. Eventually, trees begin to die. Why would a rapid increase of the new insect population cause certain species of herbivores to vanish or be fewer in number?
a)
They would not have enough to eat. 
b)
They would not have enough space to live.
c)
They would not have tree bark to eat.
24.
What do scientist call organisms that are not native to an ecosystem and cause harm to native organisms?
a)
native plants
b)
invaders
c)
invasive species
d)
natural species
25.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would increase fast
c)
The bird population would decrease
26.
What would cause a decrease in the rabbit population?
a)
An increase in grass growing
b)
A decrease in caterpillars
c)
An increase in owls
d)
An increase in fox
27.
What would happen if the mouse population went extinct?
a)
The Kestrel (Hawk) population would increase
b)
The Blackberry plants would increase
c)
The Rabbit population would decrease
d)
The grass would increase
28.
Which of these populations is most likely to decrease if the number of grasshoppers decreases?
a)
plants
b)
frog
c)
praying mantis
d)
owl
29.

Finding the fossils of trees in an area that is currently a desert without much life might tell us that the area, millions of years ago –

a)

was heavily eroded by strong winds

b)

received enough rain to support a forest

c)

suffered very powerful earthquakes

d)

was destroyed by the impact of meteorites

30.

This table gives information for different kinds of fossils. Finding which kind of fossil would lead to the conclusion that the area where it was found was, long ago, under hundreds of meters of salt water?

a)
b)
c)
d)
31.

An area is currently a forest. What evidence would best indicate that this area was covered by water millions of years ago?

a)

An increase in rainfall in the forest over time

b)

Presence of plants in the forest that need water to live

c)

Fossils of fish discovered in rocks below the forest

d)

Insects living in the forest that lay their eggs in water

32.

This table gives information on different fossils. According to the information on the table, finding which fossil in a region would lead to the conclusion that the area was, long ago, covered with trees?

a)
b)
c)
d)
33.

Fossil ferns, like the ferns found in modern swamps, were discovered in a layer of rock. In a rock layer below were found the fossils of cactus, like those that live in hot, arid deserts today. Based on this evidence, we could conclude that the area where the fossils were discovered had what sequence of climates in the past?

a)

Forest, followed by deep ocean

b)

Cold climate that got warmer over time

c)

Rushing river, then a dark cave

d)

Very dry and then, much more damp

34.

What does it mean to CAMOUFLAGE?

a)

when a weak animal copies a stronger animal to warn of predators

b)

when an animal is able to change colors to survive in an enviornment

c)

when an animal hibernates during the winter.

35.

What is HIBERNATION?

a)

when a weak animal copies stronger animal to warn off predators.

b)

when an animal hides in the cold winter and sleeps until the spring

c)

when a larger animal eats its prey

36.
Which foot is best suited for a wet environment?
a)
Clawed foot with talon 
b)
Human-like foot
c)
Webbed foot
d)
Small clawed foot without a talon 
37.

Some animals, such as lions, have pointed teeth, while other animals, such as cattle, have flat teeth. The difference in the shape of these animals' teeth is most closely related to--- (5.10A)

a)

the type of organisms the animals consume

b)

the sounds the animals make

c)

the habitat the animals live in

d)

the type of predators the animals have

38.

A chameleon lies next to a large blue flower so predators can NOT find it. This is an example of

a)

camouflage

b)

mimicry

c)

migration

39.

The teeth in this picture are from an animal that would most likely eat

a)

grass

b)

insects

c)

fruit

d)

fish

40.

Sea turtles are also different from land turtles because sea turtles cannot pull their head or limbs into their shell to protect themselves from predators. how does the head, shell shape, and flippers of sea turtles help the turtles escape their predators?

a)

Dig deep holes for their eggs

b)

Swim and dive easily

c)

Blend into their surroundings

d)

Hold their breath for several minutes

41.

Which structural adaptation allows the penguin to stay warm when diving in icy water?

a)

The beak

b)

The feathers

c)

The flippers

d)

The webbed feet

42.

Skunks have a structural adaptation that releases a liquid spray with a bad odor when in close contact with predators. How is the adaptation helpful to the skunk?

a)

Avoid predators

b)

Obtain food

c)

Make shelter

d)

Increase body temperature

43.
Which best describes how a porcupine defends itself from predators?
a)
it changes color
b)
it has sharp quills
c)
it moves very rapidly
d)
it makes a loud noise
44.

What is the function on large padded paws on a snow leopard?

a)

camouflage

b)

protection from predators

c)

keep it warm

d)

walking in snow

45.

What is the structure that helps the duck swim in water?

a)

beak

b)

feathers

c)

fin

d)

webbed feet

46.

Adaptations help animals ___________.

a)

survive

b)

get food

c)

protect themselves

d)

all of the above

47.

All of the living things in an environment.

a)

Biotic

b)

Abiotic

48.

Non-living physical and chemical elements of an environment.

a)

Biotic

b)

Abiotic

49.

Frogs in a pond interact with both living and nonliving elements in their ecosystem. Frogs interact with nonliving elements when they _________.

a)

eat swimming insects for energy

b)

lay their eggs in bodies of water

c)

become food for another animal

d)

hide beneath plants in the pond

50.

This organism, usually a bacteria or fungus, breaks down dead plants and animals.

a)

Producer

b)

Consumer

c)

Decomposer

51.

A plant uses which nonliving components to produce food and oxygen?

a)

sunlight, water, and carbon dioxide

b)

sunlight and carbon dioxide

c)

water, and carbon dioxide

d)

Soil, ice, and oil

52.
How many herbivores are in this web?
a)
1
b)
2
c)
3
d)
4
53.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
54.

Using the food web, choose the organisms in the correct order.

a)

microscopic plants > water fleas > small fish > perch

b)

microscope plants > perch > water flease > small fish

c)

perch > waterboatmen > small fish > tadpoles

d)

microscopic plants > tadpoles > water boatman > perch

55.
Which of the following best describes the small bird in the food web above?
a)

producer

b)

consumer

c)

decomposer

56.

What is the primary role of decomposers in an ecosystem?

a)

To break down dead organisms and recycle nutrients

b)

To produce energy from sunlight

c)

To provide shelter for small animals

d)

To compete with herbivores for food

57.

Which of the following adaptations would help an animal survive in a desert environment?

a)

Thick fur

b)

Large ears

c)

Webbed feet

d)

Bright feathers

58.

What would likely happen to a food web if a top predator is removed?

a)

The population of prey species would decrease

b)

The ecosystem would become more stable

c)

The population of prey species would increase

d)

Producers would become extinct

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