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Ch. 2 L. 2 Flow of Energy Through an Ecosystem

Total questions: 90

Worksheet time: 1hrs 28mins

Name
Class
Date
1.
Pick the best name for the picture.
a)
Food Web
b)
Food Chain 
c)
Ecosystem
d)
Habitat
2.
What is the definition of the word consumer?
a)
An animal that eats only plants
b)
An animal that eats other animals
c)
An organism that obtains energy by feeding on other organisms.
d)
The transfer (movement) of energy.
3.
What is the definition of the word producer?
a)
An organism that can make its own food.
b)
An organism that obtains energy by feeding on other organisms.
c)
An animal that eats only plants
d)
An animal that eats other animals
4.
What does the arrow in a food chain or food web mean?
a)
A series of steps in which organisms transfer (move) energy by eating and being eaten.
b)
An organism that breaks down wastes and dead organisms.
c)
Shows what eats what and consists of many food chains in an ecosystem
d)
The transfer (movement) of energy.
5.
What is the definition of the word carnivore?
a)
An organism that obtains energy by feeding on other organisms.
b)
An animal that eats only plants
c)
An animal that eats other animals
d)
An animal that eats both plants and animals
6.
What is the definition of the word omnivore?
a)
An animal that eats only plants
b)
An animal that eats both plants and animals
c)
An animal that eats other animals
d)
An organism that can make its own food.
7.
What does a food chain look like?
a)
One line of how energy flows in an ecosystem. 
b)
Many lines of how energy flows in an ecosystem. 
8.
What is the definition of the word herbivore?
a)
An organism that obtains energy by feeding on other organisms.
b)
An animal that eats only plants
c)
An animal that eats other animals
d)
An animal that eats both plants and animals
9.
What is the definition of a food chain?
a)
An animal that eats only plants
b)
A series of steps in which organisms transfer (move) energy by eating and being eaten.
c)
The transfer (movement) of energy.
d)
Shows what eats what and consists of many food chains in an ecosystem
10.
What is the definition of the word decomposer?
a)
Shows what eats what and consists of many food chains in an ecosystem
b)
The transfer (movement) of energy.
c)
An animal that eats other animals
d)
An organism that breaks down wastes and dead organisms.
11.
What is the definition of a food web?
a)
Shows what eats what and consists of many food chains in an ecosystem
b)
A series of steps in which organisms transfer (move) energy by eating and being eaten. Moves in one direction. 
c)
The transfer (movement) of energy.
d)
A spiders habitat, and what it eats. 
12.
Pick the best name for the picture.
a)
Food Web
b)
Food Chain 
c)
Ecosystem
d)
Habitat
13.
What does a food web look like?
a)
One line of how energy flows in an ecosystem. 
b)
Many lines of how energy flows in an ecosystem. 
14.

All energy in an ecosystem comes from the sun. This energy is passed through the ecosystem as organisms eat other organsims. This process is called (a)   .

Choose from the below words
Ominvores
Herbivores
Detritivores
Flow of energy
15.

Organisms that produce their own food mostly through photosynthesis (producers). Examples are plants and algae.

a)

Ominvore

b)

Detritivore

c)

Heterotroph

d)

Autotroph

16.

Heterotrophs that get energy and nutrition from dead or decaying organisms or their waste products and recycle nutrients back to the ecosystem.

a)

Producer

b)

Trophic

c)

Decomposer

d)

Autotrooph

17.

The level in an Ecological pyramid that includes all the organisms that share the same place in a food chain.

a)

Trophic Levels

b)

Toxic Levels

c)

KeKe Levels

d)

Environmental Systems

18.

Herbivores are the (a)   in the trophic level where they eat the primary producers.

19.

Autotrophs--The bottom trophic level where all organisms produce their own food, usually by photosynthesis.

a)

Trophic Levels

b)

Producers

c)

Ominvores

d)

Herbivores

20.

The third trophic level is where the animals eat herbivores and are called (a)   .

21.

The fourth trophic level where animals eat secondary consumers or below.

a)

Herbivore

b)

Autotroph

c)

Tertiary Consumer

d)

Tertiary Producer

22.

Only 10% of the energy is passed on from one trophic level to the next. 90% is lost as heat due to cellular respiration or waste.

a)

Tertiary Consumer

b)

Biotic Factor

c)

Abiotic Factor

d)

10% Rule

23.

Matter is passed up the ecological pyramid in a similar way to energy but recycled by decomposers and detritivores. This Biomass pyramid roughly follows the 10% rule as well.

a)

Flow of energy

b)

Flow of matter

c)

Ecological Hysteria

d)

Producers

24.

Complex trophic relationships in an ecological pyramid.

a)

Food Chain

b)

Food Web

c)

Abiotic Factor

d)

Biome

25.

Parts of an ecosystem that are living or deal with the living. Examples include producers, consumers, decomposers, predation, disease, competition, parasitism, and symbiosis.

a)

Abiotic Factors

b)

Biotic Factors

c)

Community

d)

Population

26.

Parts of an ecosystem that are not living. Examples: water, soil, sunlight, temperature, altitude.

a)

Detritivores

b)

Herbivores

c)

Biotic Factors

d)

Abiotic Factors

27.

What is the primary source of energy for the ecosystem pictured above?

a)

Grass and Green plants

b)

Hawks and Deer

c)

Tadpoles and Fish

d)

Sun

28.

In this food web, which of the following organisms eats the largest variety of different producers?

a)

Mouse

b)

Grasshopper

c)

Dragonfly

d)

Butterfly

29.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
30.
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.
31.

(a)   energy is available to be passed on to the next level in a food web.

Choose from the below words
100%
10%
50%
75%
32.

Consumers obtain energy by (a)  

Choose from the below words
eating other organisms
eating plants
photosynthesis
nitrogen
33.

Grass is considered a (a)  

Choose from the below words
consumer
producer
decomposer
composers
34.
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
35.
All of the following are consumers except
a)
Autotrophs
b)
Herbivores
c)
Heterotrophs
d)
Ominvores
36.

An organism that eats a producer would be called a (a)   .

37.

In this food chain, the snake would be a (a)  

Choose from the below words
tertiary consumer
secondary consumer
primary consumer
producer
38.

Organisms such as bacteria and fungi that break down the remains of dead plants and animals without need for internal digestion are called (a)   .

Choose from the below words
Decomposers
Consumer
Predator
Producer
39.

Why is some energy not passed on to the next trophic level?

a)

The organisms at each level use about 90% of the available energy to live.

b)

The statement is NOT true. All energy IS passed from one trophic level to the next.

c)

The organisms at each level use about 10% of the available energy to live.

d)

Most energy is absorbed by the soil instead.

40.
Which organisms would likely have the largest biomass?
a)
mountain lions and eagles
b)
snakes and frogs
c)
squirrels and deer
d)
flowers, trees and fruit
41.

Ecosystem

a)

The thin layer of land, air, and water that is home to all living organisms

b)

Consists of all the living organisms and their interactions with

nonliving components.

c)

All the members of the same species living in one place.

d)

The flow of energy patterns involving the feeding relationships between producers and consumers in a community.

42.

If only 10% of the energy in the pyramid is available as you move from one trophic level to the next, what happens to the other 90%?

a)

Passed on to decomposers

b)

Metabolized and "lost" as heat energy and waste

c)

Assembled into tissues of producers permanently

d)

False statement - 100% of the energy is available

43.

What are the PRODUCERS in this food web?

a)

Wildflowers and Grass

b)

Rabbit and Mouse

c)

Snake and Hawk

d)

Grass and Mouse

44.

Technically speaking, ALL food chains should end with these types of organisms so that nutrients can be recycled back into the habitat…

a)

parasites

b)

predators

c)

herbivores

d)

symbiotes

e)

decomposers

45.

What do the arrows in a food chain/web represent

a)

Who lives in the same environment

b)

Who is related to who

c)

Organism's children

d)

The flow of energy

46.
An organism that gets its energy from consuming other organisms is called a(n)...
a)
heterotroph
b)
autotroph
c)
Option 3
47.
The close relationship that exists when one or more species live close to each other is called...
a)
Commensalism
b)
Mutualism
c)
Symbiosis
d)
Predation
48.
Most ecosystems have many food chains. What are food chains that overlap in an ecosystem and show feeding relationships?
a)
unhealthy
b)
food web
c)
energy pyramid
d)
matter
49.
According to the graph, What is causing the deer population to decrease
a)
They got sick
b)
The wolf population increased
c)
The wolf population is decreasing
d)
Nothing it's a coincidence
50.

(a)   of energy is LOST by other means at each trophic level.

Choose from the below words
90%
100%
10%
5%
51.
What is the name for a community or species and its non-living environment
a)
Community
b)
Biosphere
c)
Ecosystem
d)
Biome
52.
decomposer
a)
an organism that kills another organism or a prey (called predator)
b)
an organism that gets killed by a predator (called prey)
c)
an organism that breaks down dead organisms and returns material to the environment
53.
What is this called?
a)
Food Web
b)
Abiotic Factors
c)
Food Chain
54.
What is this called?
a)
Food Web
b)
Abiotic Factors
c)
Food Chain
55.
What do the arrows represent in a food chain?
a)
Stop
b)
Start
c)
"Gives energy to"
d)
They don't mean anything
56.
Where do producers/autotrophs get their energy from?
a)
the ground
b)
other animals
c)
decomposers
d)
the sun
57.
A(n) ______ is a group of organisms that are physically similar and can mate with each other to produce offspring that can also mate and reproduce.
a)
organism
b)
population
c)
species
d)
community
58.
Environmental conditions that prevent populations from increasing
a)
abiotic factors
b)
limiting factors
c)
carrying capacity
d)
biotic factors
59.
An interaction in which one organism kills and eats another organism
a)
competition
b)
commensalism
c)
mutualism
d)
predation
60.
A symbiotic relationship in which one organism benefits and the other species is neither harmed or helped (A win, meh relationship)
a)
mutualism
b)
commensalism
c)
predation
d)
parasitism
61.
A symbiotic relationship in which one species benefits and the other is harmed (A win, lose relationship)
a)
mutualism
b)
commensalism
c)
predation
d)
parasitism
62.
A symbiotic relationship in which one species benefits and the other also benefits (A win, win relationship)
a)
mutualism
b)
commensalism
c)
predation
d)
parasitism
63.

Ecosystems are classified by (a)  

Choose from the below words
Climate, Elevation, Vegetation
Climate, Vegitation, Animals
Elevation, Vegetation, Temperature
Vegitation, Animals, Rainfall
64.
The term biotic means
a)
Not a robot or robotic
b)
Water based environments
c)
Living Things
d)
Non-living things
65.
The term abiotic means
a)
Not a robot or robotic
b)
Water based environments
c)
Living Things
d)
Non-living things
66.
What is the name for a group of individuals of one species?
a)
Community
b)
Population
c)
Ecosystem
d)
Biome
67.
What is the name for all populations of species within an area
a)
Community
b)
Biosphere
c)
Ecosystem
d)
Biome
68.
The sum of all the Earth's ecosystems is called (ball of life)
a)
Community
b)
Biosphere
c)
Ecosystem
d)
Biome
69.
The role or job an organism has in its habitat
a)
Abiotic factor
b)
Habitat
c)
Niche
d)
Population
70.
Which limiting factor is dependent on the density of the population? density-dependent
a)
Heavy rains and flooding
b)
Dumping toxic waste in a river
c)
Tornado
d)
Disease
71.
The amount of oxygen in a fish tank is a _______ that affects the number of fish that can live in the tank
a)
Tolerance zone
b)
Limiting factor
c)
Option 3
72.
The carrying capacity of an environment is determined by the availability of
a)
All of these
b)
Energy
c)
Oxygen
d)
Water
e)
Nutrients
73.
What is the name for areas with the same kind of biotic and abiotic factors spread over a large area?
a)
Community
b)
Biosphere
c)
Ecosystem
d)
Biome
74.
Which of the following lists the levels of organization in an ecosystem from the smallest unit to the largest?
a)
population, organism, community, ecosystem
b)
organism, community, population, ecosystem
c)
organism, population, ecosystem, community
d)
organism, population, community, ecosystem
75.
A(n) ______ is a group of organisms that are physically similar and can mate with each other to produce offspring that can also mate and reproduce.
a)
organism
b)
population
c)
species
d)
community
76.

The shrew provides energy for the (a)  

Choose from the below words
cricket
frog
grasshopper
snake
77.

Consumers that only eat other consumers are (a)  

Choose from the below words
carnivores
herbivores
omnivores
tropovores
78.

Consumers that eat producers and consumers are (a)  

Choose from the below words
carnivores
herbivores
omnivores
tropovores
79.
Consumers that only eat producers
a)
carnivores
b)
herbivores
c)
omnivores
d)
tropovores
80.
What does an energy pyramid show?
a)
Energy flow in a community
b)
The stronger animal the higher it is on the pyramid
c)
Longest lifespans
d)
Producers
81.
These two dogs both want the bone. This is an example of ____________.
a)
niche
b)
limiting factor
c)
competition
d)
symbiosis
82.

Competition between individuals of the SAME species is (a)   competition.

Choose from the below words
interspecific
intraspecific
nonspecific
specific
83.
Competition between individuals of DIFFERENT species
a)
interspecific
b)
intraspecific
c)
nonspecific
d)
specific
84.

What are the PRODUCERS in this food web?

a)

Wildflowers and Grass

b)

Rabbit and Mouse

c)

Snake and Hawk

d)

Grass and Mouse

85.

Technically speaking, ALL food chains should end with these types of organisms so that nutrients can be recycled back into the habitat…

a)

parasites

b)

predators

c)

herbivores

d)

symbiotes

e)

decomposers

86.

What is the definition of the word parasitism?

a)

An organism that eats only plants

b)

An organism that eats other animals

c)

An organism that breaks down wastes and dead organisms

d)

A symbiotic relationship in which one species benefits and the other is harmed

87.

What is the primary source of energy for the ecosystem pictured above?

a)

Grass and Green plants

b)

Hawks and Deer

c)

Tadpoles and Fish

d)

Sun

88.

What are the PRODUCERS in this food web?

a)

Wildflowers and Grass

b)

Rabbit and Mouse

c)

Snake and Hawk

d)

Grass and Mouse

89.

In this food web, which of the following organisms eats the largest variety of different producers?

a)

Mouse

b)

Grasshopper

c)

Dragonfly

d)

Butterfly

90.

If only 10% of the energy in the pyramid is available as you move from one trophic level to the next, what happens to the other 90%?

a)

Passed on to decomposers

b)

Metabolized and "lost" as heat energy and waste

c)

Assembled into tissues of producers permanently

d)

False statement - 100% of the energy is available