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Food Webs, Ecosystems, Biodiversity

Total questions: 28

Worksheet time: 28mins

Name
Class
Date
1.
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
2.
An animal that hunts other animals for food is a ___________
a)
herbivore
b)
predator
c)
prey
d)
omnivore
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
4.
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
5.
An animal that gets energy from eating both plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
6.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
7.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
8.
What is an Autotroph?
a)
An organism that can make its own food.
b)
An organism that cannot make its own food.
c)
An organism that can drive an automobile.
d)
An organism that cannot reproduce.
9.
These organisms only eat meat.
a)
Carnivores
b)
Omnivores
c)
Herbivores
d)
Detritovores
10.
Why don't most parasites kill their hosts immediately?
a)
The host benefits by keeping the parasites alive.
b)
The host is able to fight off the invading parasites.
c)
The parasites help the host before killing it.
d)
The parasites would no longer have a food supply if the host died.
11.
What is Parasitism?
a)
A relationship between two species in which both species benefit
b)
A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited
c)
A relationship between two organisms of different species where one benefits and the other is harmed
d)
An animal that hunts other animals for food
12.
Which term is synonymous (means the same thing) with producer?
a)
autotroph
b)
heterotroph
c)
consumer
d)
decomposer
13.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
14.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
15.
Which of the following organisms in the food web is a producer?
a)
Giant Panda
b)
Snow Leopard
c)
Mushroom
d)
Bamboo
16.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
17.
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
18.
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
19.
A relationship in which two organisms benefit from the actions of each other.
a)
sharingism
b)
mutualism
c)
parasitism
d)
commensalism
20.
A relationship in which one organism benefits and the other is unaffected.
a)
mutualism
b)
parisitism
c)
symbiosis
d)
commensalism
21.
What is the source of energy for all producers?
a)
sun
b)
wind
c)
Earth
d)
rain
22.
Which organism is a producer?
a)
mouse
b)
phytoplankton
c)
fox
d)
vulture
23.

Biodiversity, aka biological diversity, usually refers to

a)

the same species in a general location

b)

the number of different species in a given area

c)

the number of animal species in a given area

d)

the number of plant species in a given area

24.
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
25.

The lionfish is a venomous fish found primarily in the Red Sea and the Indian Ocean. In the 1990s, lionfish were accidentally released into the Atlantic Ocean, where they found abundant resources and favorable environmental conditions. Which of the following scenarios is most likely to result in the lionfish having a major impact on the communities into which they were introduced?

a)

With no natural predators, the lionfish population will become very large.

b)

Some native species of invertebrates will develop a resistance to lionfish venom.

c)

Random mating will allow the lionfish population to reach Hardy-Weinberg equilibrium.

d)

A virus that specifically infects lionfish will become more prevalent.

26.

Which factor is most likely to cause the number of rabbits living in an area to increase?

a)

less water

b)

lack of shelter

c)

fewer predators

d)

limited food

27.

Carrying Capacity is defined as...

a)

The variation of species within an ecosystem.

b)

A living community of interacting organisms & their habitat.

c)

The number of organisms an ecosystem can sustain.

d)

All of the above.

28.

Which of the following examples could be considered an “invasive species?”

a)

An oxpecker eats the bugs and parasites off a zebra.

b)

Clownfish live amid the tentacles of the anemones which protects them from predators.

c)

A hearty kudzu vine overtakes competing plants, leaving only itself.

d)

Mites will attach to wasps, flies or beetles for transportation.