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Ecology Test 1 Review

Total questions: 95

Worksheet time: 2hrs 34mins

Name
Class
Date
1.

Bees are insects that belong to the group of:

a)

BIOTIC

b)

ABIOTIC

2.

The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?

a)

BIOTIC

b)

ABIOTIC

3.

Up to 60% of an adult human is made up of water. Water is an example of what type of factor?

a)

BIOTIC

b)

ABIOTIC

4.

Air is a mixture of colorless gases. Air is an example of which type of factor?

a)

BIOTIC

b)

ABIOTIC

5.

Is a DOG an abiotic or biotic factor?

a)

BIOTIC

b)

ABIOTIC

6.

All living things or organisms in an ecosystem are

a)

None

b)

biotic factors

c)

abiotic factors

7.

Is temperature a biotic or abiotic factor?

a)

biotic

b)

abiotic

8.

Are producers biotic or abiotic factors?

a)

biotic

b)

abiotic

9.

Are decomposers biotic or abiotic factors?

a)

biotic

b)

abiotic

10.

Are consumers biotic or abiotic factors?

a)

biotic

b)

abiotic

11.

Abiotic factors are ___________.

a)

non-living parts of an ecosystem

b)

living parts of an ecosystem

c)

things that once were alive, but now are dead

d)

not important parts of ecosystems.

12.

Biotic factors are ___________.

a)

non-living parts of an ecosystem

b)

living parts of an ecosystem

c)

things that once were alive, but now are dead

d)

not important parts of ecosystems.

13.

An angler fish has a fleshy growth on its head that gives off light. This part acts as a lure to help the angler fish catch its prey. An anglerfish is an example of which type of factor?

a)

Biotic

b)

Abiotic

14.

Water is a compound that consists of 2 hydrogen atoms and 1 oxygen atom. Up to 60% of an adult human is made up of water. Water is an example of what type of factor?

a)

Biotic

b)

Abiotic

15.

Which is an example of an abiotic factor in a pond environment?

a)

The water

b)

A frog

c)

A grasshopper

d)

A snake

16.

Which of the following is an example of symbiosis?

a)

A mother bear taking care of her cub

b)

A married couple who agree to split their rent and share housework duties.

c)

A worm living in a cow's intestine.

d)

One chimp cleaning and grooming the hair of another chimp.

17.

Which of the following is an example of a parasite?

a)

A flea

b)

An orchid

c)

An Egyptian plover

d)

The bacteria that live in human intestines

18.

How is commensalism different from mutualism?

a)

In commensalism, one species benefits while the other is unharmed; in mutualism, both species benefit

b)

In commensalism, one species is harmed while the other benefits; in mutualism, both species benefit

c)

In commensalism, neither species is harmed; in mutualism, one species is harmed

d)

In commensalism, both species benefit; in mutualism, one species is harmed

19.

When a honeybee pollinates flowers, the bee gets access to nectar, while the flowers gain the chance to reproduce. This is an example of:

a)

Amensalism

b)

Commensalism

c)

Parasitism

d)

Mutualism

20.

Remoras are fish that swim alongside sharks, eating scraps that the sharks leave behind. This is an example of:

a)

Amensalism

b)

Commensalism

c)

Parasitism

d)

Mutualism

21.
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales. 
a)
parasitism
b)
commensalism
c)
mutualism
22.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. 
a)
parasitism
b)
commensalism
c)
mutualism
23.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. 
a)
parasitism
b)
commensalism
c)
mutualism
24.
 The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.
a)
parasitism
b)
commensalism
c)
mutualism
25.

Which of the following shows the symbiotic relationship between the Rodent and the Bird?

a)

Mutualism

b)

Commensalism

c)

Competition

26.
a relationship that occurs when two or more organims of the same species need the same resource at the same time
a)
competition
b)
symbiosis
c)
predation
27.
Two male Giraffes are fighting over the last green leaf of a tree that is dying.  
a)
Competition
b)
Mutualsim
c)
Predation
d)
Commensalism
28.

Hermit Crabs live in shells made and then abandoned by snails.

a)

Commensalism

b)

Parasitism

c)

Competition

29.
1.  A bee and a flower work together to benefit each other. This is an example of _________________. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar. 
a)
commensal relationship 
b)
parasitic relationship 
c)
mutual relationship 
30.
A coyote captures, kills, and eats a rabbit. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
31.

When two organisms compete with each other for mates, it is an example of :

a)

Interspecific competition

b)

Intraspecific competition

c)

both

32.

When two organisms compete for food, it is an example of:

a)

interspefic competition

b)

intraspecific competition

c)

both

33.
When a pine tree grows real tall and blocks sunlight to another pine tree it is _______ competition.
a)
Interference
b)
Intraspecific
c)
Interspecific
d)
Exploitative
34.

When two different species compete for the same resources.

a)

Interspecific Competition

b)

Intraspecific Competition

35.

Organisms fighting for resources within their own species.

a)

Interspecific Competition

b)

Intraspecific Competition

36.

Two male big horn sheep ram their heads together to win a mate. What type of interaction is this?

a)

Intraspecific Competition

b)

Interspecific Competition

c)

Mutualism

d)

Commensalism

37.

Organism

a)

Something that is not alive

b)

A complete living thing

c)

Many living things

d)

Where something lives

38.

Species

a)

Broadest groups of taxonomy

b)

The taxonomic group that follows domains

c)

Same type of organism

d)

A living thing

39.

Which of the following correctly lists the levels of organization from most complex to least complex?

a)

Community, Organism, Population, Ecosystem

b)

Population, Community, Ecosystem, Organism

c)

Ecosystem, Community, Population, Organism

d)

Organism, Population, Community, Ecosystem

40.

The biotic and abiotic factors that work together in an area

a)

Community

b)

Ecosystem

c)

Organism

d)

Population

41.

All the organisms that are the same type in a certain area

a)

Population

b)

Organism

c)

Community

d)

Ecosystem

42.

All the different types of organisms living in a certain area

a)

Community

b)

Ecosystem

c)

Organism

d)

Population

43.

The most specific (least complex) level of organization within an ecosystem

a)

Community

b)

Population

c)

Organism

d)

Ecosystem

44.
A duck, a dragonfly, a morel mushroom and a bobcat are all examples of...
a)
organisms.
b)
populations.
c)
communties.
d)
ecosystems.
45.

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish at. When he is fishing he sees many differernt speacies of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

a)

organism

b)

population

c)

community

d)

ecosystem

46.
TRUE or FALSE: A community includes all abiotic and biotic factors.
a)
TRUE
b)
FASLE
47.

A population must be of the same ________________?

a)

Color

b)

Gender

c)

Age

d)

Species

48.
Organisms of the same species in a particular area         
a)
relatives
b)
population
c)
community
d)
offspring
49.

A community of organisms interacting with the abiotic factors in their environment.           

a)
population 
b)
ecosystem
c)
biosphere
d)

microhabitat

50.

Which of the following is NOT an example of an ecosystem?

a)

A prairie

b)

A lake

c)

A termite colony

d)

A park

51.

The system that contains all living things on Earth.

a)

Biosphere

b)

Atmoshpere

c)

Hydrosphere

d)

Geosphere

52.

According to the graph, what is causing the deer population to decrease

a)

They got sick

b)

The wolf population is decreasing

c)

The wolf population increased

d)

They ran out of food

53.

Predator population lags behind prey population because......

a)

Increase in predators leads to decrease in prey

b)

Increase in predators leads to increase in prey

c)

Increase in predators leads to decrease in producers

d)

Increase in producers leads to increase in prey

54.
What statement is TRUE about the graph?
a)
The prey is the green line because there needs to be more prey than predators.
b)
The prey is the red line because there needs to be more predators than prey.
c)
The green line is the producers
d)
The red line is the producers
55.

What is likely to happen to the population of a prey species if the population of its predator decreases?

a)

It will decrease

b)

It will stay the same

c)

It will increase

d)

It will become extinct

56.

The snake is the _______.

a)

Predator

b)

Prey

57.

The bird is the _______.

a)

Predator

b)

Prey

58.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
59.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
60.
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
61.
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
62.
Level 1 is called the _____________ trophic level. 
a)
Tertiary consumer
b)
Tertiary producer
c)
Primary consumer
d)
Primary producer
63.
Which terms best describe heterotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
64.
Which terms best describe autotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
65.
From where do autotrophs obtain their energy?
a)
The sun
b)
Other organisms
66.
What is another name to describe an autotroph?
a)
Consumer
b)
Producer
67.
What is another name to describe a heterotroph?
a)
Consumer
b)
Producer
68.
A producer?
a)
Eats other plants and animals
b)
Makes its own food
c)
Eats dead plants or animals
69.
A consumer?
a)
Makes its own food
b)
Eats dead plants and animals
c)
Eats plants and other animals for energy
70.
A decomposer?
a)
Eats dead plants or animals and breaks down to put nutrients in the soil
b)
Eats plants or other animals for food
c)
Makes its own food
71.

Consumers get their energy by eating food.

a)

True

b)

False

72.

Frog. It is a....

a)
Producer
b)

Consumer

c)
Decomposer
73.
Earthworm. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
74.
Fungi. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
75.
Pine Tree. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
76.
An apple tree is a
a)
producer
b)
consumer
c)
decomposer
77.
A hawk is an example of a
a)
consumer
b)
producer
c)
decomposer
78.
A mushroom is a 
a)
producer
b)
consumer
c)
decomposer
79.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

80.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
81.

The fox in this food web would be considered a:

a)

3rd level Consumer

b)

Producer

c)

2nd level Consumer

d)

Primary Consumer

82.
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
83.

Which organisms compete for food in the food web to the

right?

a)

Orca and Herring

b)

Seal and Copepod

c)

Killifish and Snapper

d)

Mackerel and Bluefish

84.

What is the primary consumer?

a)

grass

b)

grasshopper

c)

mouse

d)

snake

e)

red hawk

85.

What is the tertiary consumer?

a)

grass

b)

grasshopper

c)

mouse

d)

snake

e)

red hawk

86.

What is the secondary consumer?

a)

grass

b)

grasshopper

c)

mouse

d)

snake

e)

red hawk

87.

What is the 4th order consumer?

a)

grass

b)

grasshopper

c)

mouse

d)

snake

e)

red hawk

88.

Energy that is not passed from one trophic level to the next is usually lost as?

a)

sugar & undigested food

b)

waste & heat

c)

food & sugar

d)

heat & sugar

89.

Where does the rabbit get its energy from?

a)

snake

b)

shrub

c)

cricket

d)

robin

90.

Which organism is a primary consumer in the above diagram?

a)

deer

b)

snake

c)

hawk

d)

shrew

91.

Which organism is a secondary consumer in the above diagram?

a)

deer

b)

rabbit

c)

squirrel

d)

shrew

92.

Which organism gives its energy to 4 organisms?

a)

grass

b)

fungi

c)

shrub

d)

grasshopper

93.

Which organism gets its energy from 3 organisms?

a)

mountain lion

b)

hawk

c)

squirrel

d)

snake

94.

Which organism is at the 3rd trophic level?

a)

grass

b)

grasshopper

c)

mouse

d)

snake

e)

red hawk

95.

The skylark meadow pipit is a predator to how many organisms?

a)

4

b)

5

c)

6

d)

7

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