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Biology Bootcamp - Ecology

Total questions: 27

Worksheet time: 2hrs 31mins

Name
Class
Date
1.

All the organisms that live and interact in an ecosystem

a)

Population

b)

Community

c)

Habitat

d)

Interdependent

2.

Non-living conditions that can influence where plants or animals live e.g. temperature / amount of light

a)

Abiotic factors

b)

Biotic factors

c)

Mutualism

d)

Biological control

3.

Which of the following is NOT a biotic factor?

a)

mushroom

b)

air

c)

elephant

d)

coyote

4.

A symbiotic relationship where both organisms benefit.

a)

mutualism

b)

commensalism

c)

parasitism

d)

predation

5.

A symbiotic relationship where one organism benefits and the other is harmed.

a)

parasitism

b)

mutualism

c)

commensalism

d)

predation

6.
An endangered species is
a)
One whose numbers are so small that it is at risk of extinction
b)
One whose not been spotted after many years.
c)
One whose numbers are abundant.
7.
What is the name of an animal that is hunted and eaten by other animals?
a)
producer
b)
prey
c)
predator
d)
decomposer
8.

What level of ecological organization would include all squirrels that live in the same area?

a)

biome

b)

community

c)

ecosystem

d)

population

9.
All the different populations that live together in an area make up a(n)
a)
community.
b)
ecosystem.
c)
organism.
d)
species.
10.
Is a concentrated area with abundant populations of one plant, animal or other living organism (where something lives)
a)
Habitat
b)
Niche
c)
Ecosystem
d)
Ecology
11.
All of the organisms and the nonliving environment found in a particular place is called?
a)
Biosphere
b)
Ecosystem
c)
Community
12.
What is a species that has an unusually large effect on its ecosystem?
a)
Keystone
b)
Important
c)
Organism
13.

Food, water, sunlight, air, soil are resources that are often __________.

a)

limiting factors

b)

wet

c)

messy

d)

found in rocks

14.

The number of individuals a habitat can sustain with the resources it has available

a)

Carrying capacity

b)

Limiting factors

c)

Resources

d)

Population

15.

The living parts of an ecosystem

a)

Biotic

b)

Abiotic

c)

Antibiotic

d)

Probiotic

16.

If there is more food than usual in an ecosystem, then...

a)

Populations will stay the same

b)

Populations will decrease

c)

Populations will increase

17.

What would happen if the population of hawks suddenly increased? How would it affect the other organisms in the ecosystem?

a)

The snakes would decrease due to more hawks eating them

b)

All of the population of organisms would increase

c)

The biotic factors in the ecosystem would increase

d)

The hawks predators would decrease

18.
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly
a)
1%
b)
10%
c)
100%
d)
1000%
19.
Trophic levels are represented by 
a)
squares
b)
circles
c)
pyramids
d)
lines
20.
Why is a shark a carnivore.
a)
because it eats seaweed
b)
because it eats dead animals
c)
because it eats sand 
d)
because it eats other animals
21.
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.
22.
An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
23.
Organisms that create their own energy from sunlight or chemicals
a)
Herbivore
b)
Omnivore
c)
Autotroph
d)
Heterotroph 
24.
Eat primary consumers (can be carnivores and omnivores)
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Quaternary Consumers 
d)
Top Predators 
25.
An organism that obtains energy by consuming plants and animals.
a)
Omnivores
b)
Carnivores
c)
Herbivores
d)
Humans 
26.
An organism that uses an outside source of energy like the sun to create energy-rich food molecules.
a)
Consumer
b)
Producer
c)
Decomposer
d)
Parasite 
27.
Biomass refers to
a)
Chemical Energy
b)
Light Energy
c)
Rank in the feeding heirarchy
d)
Amount of living tissue at the tropic level

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