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Ecology Test Review

Total questions: 44

Worksheet time: 1hrs 28mins

Name
Class
Date
1.
An organism is another name for a(n) _____________ factor, or living thing.
a)
biotic
b)
abiotic
2.
Temperature and sunlight would be examples of ____________ factors within an environment.
a)
abiotic
b)
biotic
3.

Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales.

a)

parasitism

b)

commensalism

c)

mutualism

d)

predation

4.

Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark.

a)

parasitism

b)

commensalism

c)

mutualism

d)

predation

5.

Oxpeckers feed on the ticks found on a rhinoceros. The oxpeckers get a meal and the rhinoceros is helped by the removal of the ticks.

a)

parasitism

b)

commensalism

c)

mutualism

d)

predation

6.

Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed.

a)

parasitism

b)

commensalism

c)

mutualism

d)

predation

7.

A flea feeds on a mouse’s blood and harms the mouse.

a)

parasitism

b)

commensalism

c)

mutualism

d)

predation

8.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
9.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
10.
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
11.

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%

12.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
13.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
14.
Which of this energy roles is always located at the bottom of an energy pyramid?
a)
Producer
b)
Second-Level Carnivores
c)
Herbivores.
d)
First-Level Consumers.
15.
A secondary consumer 
a)
eats primary consumers
b)
eats producers
c)
eats plants
16.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
17.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
18.
What do Omnivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
19.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
20.
What do Carnivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
21.
An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
22.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
23.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
24.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
25.

Two organisms that are so similar they can interbreed in nature and produce fertile offspring.

a)

biotic factor

b)

herbivore

c)

ecosystem

d)

species

26.
Which is the thin layer of the earth that supports life and also the largest level of ecological organization?
a)
A community
b)
The biosphere
c)
A population
d)
The biome
27.
Any thing or organism that regulates the size of a population of another organism is known as __________.
a)
a limiting measure
b)
a limiting factor
c)
factorization
d)
materialization of precipitation
28.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
29.

The animal or plant that is used and harmed in a parasitic relationship is called the _______.

a)

Host

b)

Prey

c)

Predator

d)

Supplier

30.

What are the products made by photosynthesis? Pick 2.

a)

carbon dioxide

b)

oxygen

c)

glucose

d)

water

e)

nitrogen

31.

What are the materials needed for a plant to photosynthesize? Pick 3.

a)

carbon dioxide

b)

oxygen

c)

glucose

d)

water

e)

sunlight

32.
A group of organisms of the same species living in the same place at the same time is called a(n) _________.
a)
ecosystem
b)
population
c)
community
d)
organism
33.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
34.
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
35.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
36.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
37.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
38.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
d)
population
39.
Which of the following are first level consumers in this food web?
a)
Crab
b)
Seaweed
c)
Blue whale
d)
Killer Whale
40.
According to this food web which organism eats only squid?
a)
Penguins
b)
Killer Whale
c)
Elephant Seal
d)
Crabs
41.
Which of the following organisms are carnivores?
a)
Krill and squid
b)
Phytoplankton and Crabs
c)
Killer whales and Leopard Seals
d)
Zooplankton and seaweed
42.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
43.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
d)
Color of the plant's leaves
44.

What do the arrows in a food chain and food web show?

a)

The flow of energy

b)

Carnivores to herbivores

c)

Predators to their prey

d)

Points from one organism to its food

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