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Ecology Test

Total questions: 75

Worksheet time: 19hrs 45mins

Name
Class
Date
1.

Use the pyramid of biomass below to decide which of the following tables is correct.

a)
b)
c)
d)
2.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain organisms that do photosynthesis?
a)
A
b)
B
c)
C
d)
D
3.
The diagram represents different levels of a marine food pyramid. Between which two levels is the greatest amount of energy transferred
a)
R and Q
b)
S and R
c)
T and S
d)
U and T
4.

The amount of energy from the producers in this energy pyramid provide the primary consumers is 54,000 joules. From this amount, 540 joules are provided to the tertiary consumers.

Based on this model, how much of the energy was provided to the secondary consumers?

a)

53,460 joules

b)

5,400 joules

c)

540 joules

d)

54 joules

5.

Which type of ecological pyramid is this?

a)

energy

b)

biomass

c)

numbers

6.

Which of the following species would you expect to find in an estuary?

a)

Oysters

b)

Giant squid

c)

Reef shark

d)

Blue whale

7.

Which level of the pyramid represents the largest percentage of available energy in the ecosystem?

a)

algae

b)

minnows

c)

trout

d)

zooplankton

8.

What level of ecological organization does this entire picture represent?

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

9.

What level of ecological organization does the bird represent?

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

10.

The temperate deciduous forest, the tropical rain forest, the desert, and the tundra are all examples of...

a)

the biopshere.

b)

biomes.

c)

ecosystems.

d)

communities.

11.

many turtles living together is called a ______________

a)

ecosystem

b)

population

c)

coomunity

d)

organism

12.

all living things together in one area is called a ____________

a)

community

b)

population

c)

ecosystem

13.

plants are called _________ because they produce food for us.

a)

consumers

b)

producers

c)

prey

14.

an animal that hunts other animals is called a ____________

a)

prey

b)

predator

c)

producer

d)

herbivore

15.

an animal that is hunted and eaten by other animals is called ________

a)

prey

b)

predator

c)

producer

16.

If there are 100 KJ of energy available at the secondary consumer level, how many KJ of energy are available at the producer level?

a)

10 KJ

b)

1,000 KJ

c)

10,000 KJ

d)

1 KJ

17.
All living things get their energy from which of the following sources?
a)
food
b)
water
c)
sun
18.
Which of the following is another word for a plant?
a)
autotroph
b)
heterotroph
c)
consumer
19.
Which of the following terms describes an area where an organism lives?
a)
community
b)
habitat
c)
area
20.
What would most likely happen if the rabbit population was removed from the food chain grass —› rabbit —› fox?
a)
their would be more grass
b)
there would be less rabbits
c)
there would be more fox
21.
Which is an example of a parasitic relationship?
a)
a bee pollinates a flower
b)
a tapeworm takes nutrients from a dog
c)
an orchid lives in a tree but does not harm the tree
22.
In which type of relationship do both species benefit?
a)
parasitism
b)
mutualism
c)
commensalism
23.
Barnacles grow on whales.  Whales give the barnacles a place to live but the barnacles do not help or harm the whale.  Which type of relationship is this?
a)
commensalism
b)
mutualism
c)
parasitiesm
24.
An oxpecker bird eats ticks off of a zebra.  The bird gets food from eating the ticks and the zebra has harmful parasites removed.  Which type of symbiosis is this?
a)
mutualism
b)
parasitism
c)
commensalism
25.

What is a population?

a)

One individual member of a species

b)

a group of individuals of the same species that live in the same area

c)

a community of different species and their environment

26.

Which definition best fits the term BIOTIC?

a)

The study of the interactions between animals and their environment

b)

Factors in the environment that are considered not alive

c)

Factors in the environment that are considered living or the remains of living things

27.

One species benefits, the other is unaffected

a)

symbiosis

b)

parasitism

c)

mutualism

d)

commensalism

28.

Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Then, the honey guide birds eat as well.

a)

symbiosis

b)

parasitism

c)

mutualism

d)

commensalism

29.
An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:
a)

Predator

b)

Autotroph

c)

Producer

d)

Decomposer

30.

The ecological role an organism performs in their specific environment is considered the organism's...

a)

Habitat

b)

Population

c)

Biome

d)

Niche

31.
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.

32.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
33.

The populations of which organisms will most likely increase as a result of a disease that suddenly reduced the population of Texas horned lizards?

a)

Grasses and ants

b)

Ants and grasshoppers

c)

Grasshoppers and Texas Cottonmouths

d)

Texas cottonmouths and red shouldered hawks

34.
What are plants called in a food chain?
a)

Producers /Autotrophs

b)

Consumers /Heterotrophs

c)

Decomposers

d)

Scavengers

35.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
36.

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.

37.

Match the following

a)

Decomposer

1.

This is an organism that breaks down and gains nutrients from dead organisms.

b)

Predator

2.

This is an animal that lives by preying on other animals.

c)

Producer

3.

This is an organism that supplies matter and energy, also known as an autotroph.

d)

Consumer

4.

This is an organism that relies on other organisms for its food and energy supply; heterotroph

e)

Parasite

5.

This is an organism which feeds on, but usually does not kill, a larger organism

38.

What happens to the amount of available energy in the pyramid as it moves up through the different levels?

a)

it increases

b)

it decreases

c)

it remains the same

39.

Wind, Precipitation, Seasons, Sunlight, and Temperature are examples of what type of factors.

a)

Abiotic

b)

Biotic

c)

Genetic

d)

Detrimental

40.

Which of these is not a factor that defines a biome

a)

temperature

b)

precipitation

c)

soil

d)

man made structures

41.

An area of the planet with similar ecosystems is a

a)

population

b)

biome

c)

community

d)

biosphere

42.

There is a cold front coming in this weekend. Is this climate or weather?

a)

climate

b)

weather

43.

It is usually hot in Texas in July, is this climate or weather?

a)

climate

b)

weather

44.

This type of succession occurs when soil is still present

a)

secondary

b)

primary

c)

tertiary

45.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
46.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
47.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
48.

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

a)

Secondary Succession

b)

Aquatic succession

c)

Primary Succession

d)

Ferns must grow

49.

Succession ends with a (a)   community

50.
1. What makes a species invasive?
a)
Moving to a new ecosystem and taking resources from natives 
b)
Not having papers
c)
Species that can't adapt
d)
Plants that take up too much space
51.
Why do the populations of invasive species grow so quickly? 
a)
Invasive Species are native to an area. 
b)
Invasive species are prey to many animals.
c)
Invasive species have no predators.
d)
Invasive species keep the ecosystems in equilibrium.
52.

Many different species living in the same area.

a)

Population

b)

Community

c)

Biome

d)

Biosphere

53.

Energy flows through ecosystems, but each organism only gets about _____ of the energy available in the level below.

a)

10%

b)

20%

c)

50%

d)

90%

54.

A food ________ is much more complicated, yet more realistic than a food ________.

a)

chain, web

b)

web, chain

c)

cycle, flow

d)

truck, festival

55.

Who is a secondary consumer?

a)

Hawk

b)

Sun

c)

Plant

d)

Grasshopper

56.

The system that contains all living things on Earth.

a)

Biosphere

b)

Atmoshpere

c)

Hydrosphere

d)

Geosphere

57.

Which of these is NOT an abiotic factor?

a)

water

b)

temperature

c)

grass

d)

soil

58.
Bacteria and fungi typically serve what role in an ecosystem?
a)
herbivore
b)
carnivore
c)
omnivore
d)
decomposer
59.

Reorder the following from most specific to most general

a)

species

b)

population

c)

community

d)

ecosystem

e)

biome

1)
2)
3)
4)
5)
60.

An organism that feeds on dead organic material

a)

carnivore

b)

herbivore

c)

detritivore

d)

biotic factor

61.

All of these are producers EXCEPT

a)

mushroom

b)

corn

c)

maple tree

d)

dandelion

62.

Plants take in this gas to be used in photosynthesis

a)

ammonia

b)

carbon dioxide

c)

nitrogen

d)

oxygen

63.

Plants release this gas as a byproduct of photosynthesis

a)

nitrogen oxide

b)

oxygen

c)

carbon dioxide

d)

nitrogen

64.

Which of the following is a primary consumer?

a)

soybean plant

b)

cow

c)

hawk

d)

fox snake

65.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
66.
All the organisms in a particular location, including their nonliving environment
a)
ecosystem
b)
carnivore
c)
niche
d)
population
67.
Which of the following leads to a decrease in biodiversity?
a)
protection of ecosystems
b)
pollution control
c)
selective cutting
d)
introduction of exotic or invasive species
68.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
69.
How do adaptations help animals?
a)
to hide from predators
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
70.
What genetic change allows organisms to survive natural selection in their environments? 
a)
learned behavior
b)
acquired traits
c)
analogies
d)
adaptations
71.
Predict which moth would increase in population
a)
light 
b)
dark
72.

I am a polar bear who lives in the arctic. My fur is a beautiful white, just like the snow I live in. What adaptation is this adaptation called?

a)

camouflage

b)

mimicry

c)

migration

d)

hibernation

73.

Which of the following organisms is not a regulator

a)

Crab

b)

Camel

c)

Human

d)

Polar bear

e)

Chimpanzee

74.

An organism that is dependant upon the changes in the external environment

a)
Conformer
b)

Regulator

c)

Transformer

d)

Optomizer

75.

An organism that can control its internal environment based on the changes in the external environment

a)
Regulator
b)

Conformer

c)

Transformer

d)

Optomizer

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