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Ecology #2

Total questions: 50

Worksheet time: 45mins

Name
Class
Date
1.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
2.
How much energy is available to be passed on to the next level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
3.
Why is there a limited amount of energy that can be passed on to the next feeding level?
a)
There is never enough sunlight available. 
b)
Some ecosystems have limited resources. 
c)
Organisms use some of the energy they get from eating.
d)
All the energy is available to be passed on. 
4.

The graph shows the populations for two animals that share a habitat. Foxes are mammals that hunt for food. Grouse are bird and a common prey animal of foxes. According to the data, in which year did the population of foxes show a decrease that is most likely the result of (because of) a decrease in the availability of grouse?

a)

2003

b)

2005

c)

2008

d)

2009

5.

The graph shows the populations for two animals that share a habitat. Foxes are mammals that hunt for food. Grouse are bird and a common prey animal of foxes. According to the data, in which year did the population of foxes show a decrease that is most likely the result of (because of) a decrease in the availability of grouse?

a)

2003

b)

2005

c)

2008

d)

2009

6.

An increase in the population of an organism (living thing) could happen because of ??

a)

A series of severe weather events in the habitat

b)

A decrease in necessary resources available

c)

An expansion (increase) of living space

d)

An increase in animals that prey on the organism

7.

What data would be most helpful to support the claim that the population of a certain plant depends on the rainfall of the habitat?

a)

The average amount of water absorbed by a plant’s roots

b)

The amount of water the soil holds onto in the area where the plants live.

c)

Rainfall amounts and numbers of these plants in a certain habitat measured over several years.

d)

The heights and number of leaves produced by these plants under different moisture conditions

8.

The graph provides data on the populations of four organisms that share a habitat. Examine the data carefully. Based on the population changes, which two organisms are likely to depend on each other?

a)

Organism 1 and Organism 2

b)

Organism 2 and Organism 3

c)

Organism 3 and Organism 4

d)

Organism 1 and Organism 4

9.

A living thing that produces offspring is known as a(n)

a)

organisms

b)

population

c)

mammal

d)

species

10.

A group of organisms that can interbreed and produce offsprings that will develop the ability to pass their genetic material to a new generation refers to the term

a)

population

b)

species

c)

interaction

d)

reproduction

11.

_____________ is a community consisting of all of the living and nonliving interactions between organisms and the environment.

a)

ecosystem

b)

population

c)

organism

d)

species

12.

A community of organisms and the interactions that occur within that community describe a(n)

a)

ecosystem

b)

population

c)

species

d)

Environmental interaction

13.

The biotic and abiotic factors that work together in an area.

a)

ecosystem

b)

population

c)

community

d)

organism

14.

The biotic factors within an ecosystem are the ___________ parts.

a)

nonliving

b)

living

c)

relationships

d)

chemical

15.

The abiotic factors are the _________________ parts within an ecosystem.

a)

living

b)

nonliving

c)

plant

d)

animal

16.

The abiotic factors are the _________________ parts within an ecosystem.

a)

living

b)

nonliving

c)

plant

d)

animal

17.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
18.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
19.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
20.
Which symbols best describe commensalism?
a)
+,+
b)
+,-
c)
+,0
d)
0,0
21.
Which symbols best describe commensalism?
a)
+,+
b)
+,-
c)
+,0
d)
0,0
22.
Cattle egrets foraging in fields among cattle. The egret gets easy access to food and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
23.
Remoras are small fish that swim close to or attach themselves to sharks.  Remoras eat small scraps left as the sharks feed and the sharks are unaffected. 
a)
Competition
b)
Predation
c)
Mutualism
d)
Commensalism
24.
Remoras are small fish that swim close to or attach themselves to sharks.  Remoras eat small scraps left as the sharks feed and the sharks are unaffected. 
a)
Competition
b)
Predation
c)
Mutualism
d)
Commensalism
25.
A tapeworm and a dog have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
26.
Barnacles create home sites by attaching themselves to whales. Since the barnacle is a filter feeder, it also gets access to more water (and food) due to the relationship. The whale is unaffected.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Competition
27.
Wrasse fish feed on the parasites found on the black sea bass's body (usually in the mouth). This is like dental floss for the fish and both species benefit.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Predation
28.
Mistletoe extracts water and nutrients from the spruce tree to the detriment (ill effect) of the spruce.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
IDK
29.
Bacteria in the intestines of cows gain nutrients and aid in the cow's'  digestion
a)
commensalism
b)
mutualism
c)
parasitism
d)
competition
30.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
31.
The organism that does the killing in a predation interaction
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
32.
The struggle between organisms to survive as they attempt to use the same resource
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
33.
The role of an organism in its habitat, or how it makes its living
a)
Niche
b)
Prey
c)
Competition
d)
Adaptation
34.
On a safari at night, a lion hunts and feeds on an antelope. In this relationship, the lion is the ____________________ and the antelope is the _________________.
a)
Parasite/host
b)
Predator/prey
c)
Prey/Predator
35.

In Predator/Prey Graphs what happens to Predator numbers if Prey numbers increase.

a)

The predator numbers INCREASE

b)

The predator numbers DECREASE

36.

In Predator/Prey Graphs what happens to Prey numbers if Predator numbers decrease.

a)

The prey numbers INCREASE

b)

The prey numbers DECREASE

37.

The two ways an invasive species is introduced are

a)

accidentally

b)

ballast water

c)

pet trade

d)

intentionally

38.

Invasive species cause harm to the [more than 1 answer]

a)

economy

b)

atmosphere only

c)

environment

d)

health of organisms

e)

water only

39.

Invasive species [more than 1 answer]

a)

take over the habitat of other organisms

b)

increases the populations of native organisms

c)

destroy/decrease biodiversity

d)

improves/increases biodiversity

e)

cause the populations of native organisms to decrease

40.
The place where an organism lives in order to obtain its food, water, shelter and other things needed for survival is called what?
a)
Niche
b)
Habitat
c)
Home
d)
Ecosystem
41.
A non native species to an area. Added accidentally or deliberately by humans.
a)
Native Species
b)
Accidental Species
c)
Introduced Species
42.
What is the correct order for the Levels of Organization listed SMALLEST to LARGEST
a)
Organism, Biome, Population, Community, Ecosystem
b)
Biome, Ecosystem, Community, Population, Organism
c)
Population, Ecosystem, Biome, Organism, Community
d)
Organism, Population, Community, Ecosystem, Biome
43.

What is an invasive species?

a)

An organism that is new to an environment that has positive effects on the environment.

b)

An organism that is native to an environment that has negative effects on the environment.

c)

An organism that is new to an environment that has negative effects on the environment.

d)

An organism that is native to an environment that has positive effects on the environment.

44.

Invasive species can have a major impact on the ecosystem.

a)

TRUE

b)

FALSE

45.

Invasive species can crowd out native species.

a)

TRUE

b)

FALSE

46.

Invasive species don't harm native species that are beneficial to the environment.

a)

TRUE

b)

FALSE

47.
What does the work Invade mean?
a)
To walk into a room and ask directions
b)
To move into and sit down quietly
c)
To move into and harm
d)
To stay put
48.
Scientists are not ______ of controlling every invader species because there are too many of them in too many places. 
a)
Alter
b)
Capable 
c)
invade
d)
Species 
49.

Click on the map to help answer this question: What can we predict about the population of Feral Swine for the year 2016?

a)

There will be less feral swine in 2016 than there were in 1982.

b)

There will be more feral swine in 2016 than there were in 2010

c)

There were fewer feral swine in 2004 than 1982.

d)

There will be no change in feral swine population.

50.
Invasive species alter the ecosystem by a___________in number quickly,this leads to _____ food for the native  species. 
a)
increasing  less
b)
decline  decreasing

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