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Exuberant Ecology Exam Review

Total questions: 75

Worksheet time: 1hrs 27mins

Name
Class
Date
1.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
2.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
3.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
4.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
5.

The non-living part of an ecosystem

a)

Grass

b)

Bacteria

c)

Biotic

d)

Abiotic

6.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
7.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
8.

Different populations living and interacting with each other in the same area

a)

Biosphere

b)

Ecosystem

c)

Community

d)

Niche

9.

The area between the highest mountain and the deepest ocean where life can be found

a)

Biosphere

b)

Population

c)

Community

d)

Ecosystem

10.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
11.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
12.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
13.
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. 
14.
The energy at each trophic level in the pryamid of energy decreases by a factor of ____.
a)
10
b)
1
c)
100
d)
2
15.
diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
a)
succession 
b)
cellular respiration
c)
energy pyramid
d)
biochemical cycle
16.
a relationship between two in which one species, the predator, feeds on the other species, the prey
a)
chemosynthesis
b)
predation
c)
cellular respiration 
d)
commensalism
17.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism 
c)
nitrogen fixation
d)
commensalism
18.
Organisms that breaks down and absorbs nutrients from dead organisms 
a)
consumer
b)
trophic level
c)
decomposer
d)
species
19.

A pond ecosystem is shown in the diagram below. Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?

Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?

a)

The frogs make energy available to this ecosystem through the process of photosynthesis.

b)

The algae directly provide food for both the rotifers and the catfish.

c)

The green-backed heron provides energy for the mosquito larvae.

d)

The catfish population helps control the populations of water boatman and waterfleas.

20.

What does every food chain start with? (Even if it's an abiotic factor that is not drawn or written there!)

a)

producers

b)

sun

c)

consumer

d)

decomposers

21.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
22.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
23.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
24.
In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
25.

Which one is not a carnivore?

a)

anemone

b)

bear

c)

shark

d)

vulture

26.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
27.
Which of the following organisms is a herbivore.
a)
butterfly
b)
snake
c)
fox
d)
ladybird
28.
The owl receives energy from which organisms?
a)
grasshopper and mouse
b)
mouse and rabbit
c)
rabbit and butterfly
d)
butterfly and frog
29.
Name the producers in this food web.
a)
seagull and fish
b)
penguin and crab
c)
phytoplankton and seaweed
d)
seaweed and zooplankton
30.
The krill is eaten by which consumer?
a)
blue whale
b)
phytoplankton
c)
leopard seal
d)
penguin
31.
What type of consumer is the shrew?
a)
herbivore
b)
omnivore
c)
carnivore
32.
They caracal is prey to which animal?
a)
snake
b)
mouse
c)
grasshopper
d)
baboon
33.
According to this food web, how many consumers are herbivores?
a)
2
b)
1
c)
4
d)
5
34.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
35.
Grass is considered a ...
a)
consumer
b)
producer
c)
decomposer
d)
composers
36.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
37.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
38.
a deer population has significantly increased, 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
39.
Which event is the best example of competition between species in a pond?
a)
dragonflies landing on lily pads
b)
lizards and snakes lying in the sun
c)
hawks eating mice
d)
frogs and toads eating flies
40.
Biodiversity is 
a)
the variety of species within an ecosystem
b)
a large number of the same species in an ecosystem
c)
an abundant amount of the same primary consumers 
d)
the ability to have an abundant source from the same species
41.

The table provides information on population density of mayflies (prey), a kind of insect, in a certain area over a few years. Many birds (predators) eat these mayflies.


Use the data about mayflies (prey) to predict which time period had the greatest increase in the bird (predator) population.

a)

2005-2006

b)

2006-2007

c)

2007-2008

42.

The chart shows predator and prey relationships in four different ecosystems.. Which is a correct example of a change that would happen to one population because of a change in the other population because of a predator/prey relationship?

a)

When the population of sharks decreases because of fishing, the population of small fish will decrease.

b)

When the population of sharks decreases because of fishing, the population of small fish will decrease.

c)

During hunting season when many deer are killed by hunters, the mountain lion population will decline.

d)

When the mice population increases due to having more resources, the population of snakes will decrease.

43.

The graphs show how the number of mice predators (animals that eat mice) and the food source of the mice (plants) changed from 1996 to 2002.

Based on this information about predators and food, which year would you predict would have the highest population of mice?

a)

1996

b)

1998

c)

2000

d)

2002

44.

This occurs when niches overlap between species and they have to compete for resources.

a)

competition

b)

interspecific

c)

parasite

d)

intraspecies

45.

Leeches are organisms that live in ponds and feed on the blood of fish and other animals. They produce enzymes which cause the animal on which they feed to continue bleeding even after the leech is done feeding. What type of relationship does this describe?

a)

mutualism

b)

commensalism

c)

parasitism

d)

intraspecies

46.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
47.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
48.
What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
49.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
50.

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

a)

Predation

b)

Parasitism

c)

Commensalism

d)

Mutualism

51.
Rabbits and sheep both graze on shrubs, grasses, and other plants.  The increase in the population of rabbits in a region may result in a shortage of plants for sheep to graze upon.  After the increase of rabbits the relationship between sheep and rabbits will be __________.
a)
Competition
b)
Predation
c)
Mutualism
d)
Parasitism
52.
Limiting factors are sometimes helpful because they can keep the population from getting too large.
a)
True
b)
False
53.
Food, water, sunlight, shelter, and space are resources that are  __________.
a)
limiting factors
b)
wet
c)
messy
d)
found in rocks
54.
If the population of a certain predator increases, there is often _______ its prey
a)
a decrease the population of
b)
an increase of the population of 
c)
great news for its prey of
d)
no  impact found on
55.
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
56.
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 infinitely increase
c)
The bird population would decrease
57.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

58.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

59.

This may cause a population to increase

a)

increase of food supply

b)

removal of predators

c)

removal of disease

d)

all of these

60.

The largest number of individuals that an environment can support long term is...

a)

carrying capacity

b)

emigration

c)

immigration

d)

population density

61.
Which of the following would INCREASE the carrying capacity of an ecosystem?
a)
increase in predators
b)
disease
c)
increase in available food
d)
drought
62.

When death rate is equal to birth rate...

a)

population increases

b)

population decreases

c)

population stays the same.

d)

population rapidly increases then becomes stable

63.
Which of the following is the correct order in a food chain?
a)
Sun --> producer --> herbivores --> carnivores --> scavengers --> carnivores
b)
Sun --> producer --> scavengers --> carnivores
c)
Sun --> consumers --> predators --> parasites --> hosts
d)
Sun --> producer --> herbivores --> carnivores --> scavengers
64.

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

a)

Habitat

b)

Population

c)

Biome

d)

Niche

65.

Which organism in the table above is most likely a primary consumer? (Hint: Think about an energy pyramid)

a)

Organism A

b)

Organism B

c)

Organism C

d)

Organism D

66.

Which organisms in the table above are most likely carnivores? (Select all that apply)


(Hint: Think about an energy pyramid)

a)

Organism A

b)

Organism B

c)

Organism C

d)

Organism D

67.

Which organisms in the table above are most likely autotrophs/producers? (Hint: Think about an energy pyramid)

a)

Organism A

b)

Organism B

c)

Organism C

d)

Organism D

68.

Use the graph above to answer the following question. What happened to the moose population as a result of the wolves being over-hunted in 1980?

a)

The moose population decreased.

b)

The moose population increased.

c)

There was no change in the moose population.

69.

Use the graph above to answer the following question. What is the most likely effect on the grass population size as a result of the wolf population changes during 1970-1980?

a)

The grass population decreased.

b)

The grass population increased.

c)

There was no change in the ecosystem.

70.

Which organism in the food web above is an omnivore?

a)

Hawk

b)

Sparrow

c)

Rabbit

d)

Shrew

71.
A place where plants and animals live and grow is called a ____________. It provides, food, water, shelter, and air.
a)
shelter
b)
tree
c)
habitat
d)
organism
72.

Tigers live independently and require a large area for hunting. What effect would developing housing districts in these areas have on the tigers?

a)

Introduce a new tiger to the area

b)

Promote an increase in the tiger population

c)

Stabilize the tiger population

d)

Reduce the tiger's habitat

73.

Eugene was observing wildlife on along the side of a busy street. He noticed that a group of vultures were eating the remains of a possum that had been run over. What type of consumer are the vultures?

a)

Carnivores

b)

Omnivores

c)

Herbivores

d)

Scavengers

74.

Vegetation (plant life) in the tropical rainforest is so dense that very little sunlight reaches the forest floor. What type of relationship would the different trees in the forest share as a result of the limited sunlight?

a)

Predation

b)

Mutualism

c)

Competition

d)

Commensalism

75.

Which of the following would be an example of a predator adaptation?

a)

Cheetah's fast speed

b)

King snakes imitating a coral snake's warning patterns

c)

Cactus's needles

d)

Zebras travelling in herds

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