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Unit 1 Ecology

Total questions: 53

Worksheet time: 2hrs 13mins

Name
Class
Date
1.

Which of the following would be considered a BIOTIC factor in an ecosystem?

a)

bacteria

b)

rain

c)

rocks

d)

wind

2.

Organisms which are able to make their own food are called:

a)

herbivores

b)

carnivores

c)

omnivores

d)

producers

3.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
4.
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
5.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
6.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
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)
Biome
b)
Ecosystem
c)
Community
d)
Niche
9.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
10.
The energy at each trophic level in the pryamid of energy decreases by a factor of ____.
a)
10
b)
1
c)
100
d)
2
11.
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. 
12.
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
13.
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
14.
Series of steps in which organisms transfer energy by eating and being eaten
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
15.

Which organism in the food web would

contain the highest concentration of chemical pollutants?

a)

producers

b)

primary consumers

c)

secondary consumers

d)

tertiary consumers

16.

Which organism in the food web shown to the right would

contain the lowest concentration of chemical pollutants?

a)

producers

b)

primary consumers

c)

secondary consumers

d)

tertiary consumers

17.

Which organism shown in the food chain above would contain the greatest concentration of chemical pollutants?

a)

phytoplankton

b)

krill

c)

tuna

d)

shark

18.

What would happen to the bird if the green fish died out?

a)

the bird population would grow

b)

the bird population would die out

c)

the smaller fish will die out

19.

What does an energy pyramid show?

a)

Energy flow in a community

b)

Longest lifespans

c)

The stronger animal the higher it is on the pyramid

20.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
21.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
22.

What does an energy pyramid show?

a)

the energy that herbivores give to producers

b)

the amount of energy that moves through carnivores only

c)

the amount of energy that moves from one trophic level to the next in a food web.

d)

the amount of lipids a bear consumes

23.

If the producers in an energy pyramid have 1,000 kcal of energy, what would the tertiary consumers in that pyramid receive?

a)

10 kcal

b)

100,000 kcal

c)

1 kcal

d)

100 kcal

24.

Look at the energy pyramid. If the producers have 7000 kcal of energy, how much energy will be available for the Sheephead fish?

a)

7 kcal

b)

70 kcal

c)

700 kcal

d)

7000 kcal

25.
True or False. 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
26.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
27.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
28.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
29.
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
30.

What type of ecological pyramid is never inverted?

a)

ecological pyramid

b)

energy pyramid

c)

numbers pyramid

d)

biomass pyramid

31.

What is biomass?

a)

the total dry weight of organisms in an ecosystem

b)

the total weight of organisms in an ecosystem

c)

the total dry weight of producers in an ecosystem

d)

the total weight of animals in an ecosystem

32.

Why are energy pyramids never inverted?

a)

because energy is always lost from one trophic level to the next

b)

because energy is always gained from one trophic level to the next

c)

because energy cannot be measured as it transfers from one trophic level to the next

d)

because it just never is

33.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
34.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
ecological succession
c)
secondary succession
d)
intermediate
35.
What is the goal of the pioneer species in Primary Succession?
a)
To kill the dead materials after a disaster
b)
To rebuild soil
c)
To feed Johnny
d)
To put fresh oxygen into the air
36.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
37.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
38.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species
39.
What are examples of pioneer species in a primary succession?
a)
Bushes and Shrubs
b)
Oak trees
c)
Mossess and Lichens 
d)
A rose Bush
40.
this type of succession occurs after a forest fire
a)
primary succession
b)
secondary succession
c)
both
41.
starts with bare rock followed by lichen
a)
primary succession 
b)
secondary succession
c)
both types of succession
42.
A mite lives in the base of the eyelashes of people who use mascara. It feeds on the mascara; it does not seem to harm people. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
43.
A coyote captures, kills, and eats a rabbit. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
44.
A tapeworm lives in the intestines of a dog. It absorbs food the dog has eaten and grows larger in the process. The dog becomes weaker from malnutrition. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
45.
The flower of the yucca plant provides the only location where the yucca moth can lay her eggs. In the process, the moth pollinates the yucca flower. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
46.
Cleaner shrimp living in the ocean eat ectoparasites (parasites on the outer surface of the animal) off of fish. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
47.
Bacteria that live on the surface of our teeth require sugar from our food to survive. A by-product of their metabolism (body processes) decays the enamel of teeth. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
48.
A 3-point buck is killed by a hunter. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
49.
When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?
a)
Non-native plants are able to mutate rapidly
b)
Non-native  plants cause native animals to relocate
c)
Non-native plants are able to be used for medicine
d)
Non-native plants compete with native plants for resources
50.
Kudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:
a)
Parasitism between kudzu and the native plants
b)
A predator prey relationship between ground plants and kudzu
c)
Competition occurring between the native and invasive species
d)
Commesalism occurring between the kudzo and native plants
51.
How did the zebra mussels end up in the Great Lakes?
a)
In ballast tanks of ships
b)
They were intentionally released
c)
They have always been in the Great Lakes
d)
That's not a zebra mussel
52.
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
53.
Which of the following is a key characteristic of most invasive species?
a)
Ability to breathe in the air & in the water
b)
Large, sharp teeth
c)
Produce many offspring
d)
Is a top predator

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