Energy Transfer in Ecosystems Review

Fill in the Blank

The three roles of living things in an ecosystem are...

,

,

Multiple Choice

Which organism is the producer?

• Frog

• Grass

• Grasshopper

• Hawk

Multiple Choice

Which of the following is a producer?

• Butterfly

• Grasshoppers

• Lavender plants

• Thrush - bird

Fill in the Blank

Explain what is happening at each level of this energy pyramid. What groups of organisms would you find in each level? How much energy would they have?

,

,

,

&

.

%

%

.

Multiple Choice

Which of these organisms would receive energy from the snake?

• Plant
• Rabbit
• Mouse
• Hawk

Multiple Choice

Which is the correct food chain order?

• Plant-->1st Consumer--> 2nd Consumer 
• Plant <-- 1st Consumer <-- 2nd Consumer
• 2nd consumer     --> 1st consumer  --> Plant
• 1st Consumer      --> 2nd consumer --> Plant

Multiple Choice

An organism that gets energy from eating other organisms is a ______________

• producer
• consumer
• decomposer
• prey

Multiple Choice

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

Multiple Choice

If the grasshopper were to be removed completely from the food web, what organism would be most effected?

• The squirrel
• The shrew
• The deer
• The rabbit

Multiple Select

How are matter and energy cycled through ecosystems?

• Through sunlight and photosynthesis

• Through cellular respiration

• Through the carbon cycle

• Through consumption in food chains

Multiple Choice

Why is the carbon cycle so important in ecology?

• It helps in the formation of fossil fuels.

• It is essential for energy transfer within ecosystems.

• It prevents climate change.

• It is the only source of oxygen.

Reorder

Reorder the following steps of the Carbon Cycle

• Carbon is in the biosphere as carbs, fats, proteins, and DNA

• CO2 is added to the atmosphere through respiration, human activities, and geological activity

• Carbon naturally dissolves in oceans

• CO2 is removed from the atmosphere by plants for photosynthesis

• Carbon reservoirs store large deposits of Carbon

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Draw

Construct a food web using all of the following organisms: beetle, fox, frog, grass, grasshopper, hawk, mouse, mushroom, snake

Multiple Choice

What process returns carbon from living organisms to the atmosphere as carbon dioxide?

• Respiration

• Photosynthesis

• Combustion

• Decomposition

Multiple Choice

Which process takes in carbon dioxide from the atmosphere and turns it into glucose?

• Respiration

• Photosynthesis

• Combustion

• Decomposition

Multiple Choice

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

Multiple Choice

Which best describes what a food chain shows you?

• Energy flow through an ecosystem
• Food flowing through an ecosystem
• Consumers going into other consumers
• Who eats who

Multiple Choice

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Multiple Choice

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Multiple Choice

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

Multiple Choice

The process by which cells use oxygen to produce energy from food is called?

• photosynthesis
• transpiration
• cellular respiration
• germination

Multiple Choice

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?

• 10Kcal

• 1Kcal

• 100Kcal

• 1000Kcal

Multiple Choice

___% of energy is passed from one organism to another.

• 1

• 10

• 100

• 1000

Multiple Choice

Only ___ of energy is given to the next trophic level.  ___ is eliminated as waste heat.

• 10%, 90%
• 90%, 10%
• 25%, 75%
• 75%, 25%

Multiple Choice

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

Multiple Choice

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them. 
• They may eat more than one other organism. 
• This organism gets its energy from multiple sources. 
• They have no resources available to them.

Multiple Choice

An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 
• How much energy a particular organism needs. 
• How much energy is needed to build a pyramid. 
• The amount of energy available to the next 'feeder' in a food web.

Multiple Choice

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

• the bird population would grow

• the bird population would die out

• the smaller fish will die out

Multiple Choice

The image provided is an example of a(n):

• Carnivore
• Herbivore
• Producer
• Autotroph

Multiple Choice

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

Multiple Choice

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

Multiple Choice

All food chains begin with a ____________.

• primary consumer
• secondary consumer
• producers
• scavengers

Multiple Choice

The monkey would be a

• decomposer

• producer

• primary consumer

• secondary consumer

Multiple Choice

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

• A
• B
• C
• D

Multiple Choice

In the energy pyramid below, which organism has the least amount of energy available?

• Producers
• Herbivores
• Carnivores
• Top Predator

Multiple Choice

What are producers in a food chain?

• Organisms that produce their own food through photosynthesis or chemosynthesis

• Microorganisms that break down dead organisms for food

• Animals that eat other animals for food

• Plants that rely on other organisms for food

Multiple Choice

What is the role of decomposers in the food chain?

• They help in the process of photosynthesis in plants.

• They provide energy to the producers in the food chain.

• They hunt and consume other organisms for energy.

• They break down dead organisms and waste, releasing nutrients back into the environment.

Multiple Choice

Name one decomposer commonly found in a food chain.

• Bacteria

• Tree

• Lion

• Elephant

Multiple Choice

What is the relationship between living and nonliving components in a food web?

• Nonliving components consume living organisms in a food web

• Living organisms are not part of a food web

• Living organisms and nonliving components have no relationship in a food web

• Living organisms consume and are consumed by other organisms, while nonliving components are physical factors.

Multiple Choice

Give an example of a nonliving component in a food web.

• Decomposer

• Plant

• Producer

• Sunlight

Multiple Choice

What is the role of herbivores in a food chain?

• They produce their own food through photosynthesis.

• They break down dead organisms and waste, releasing nutrients back into the environment.

• They consume plants and are a source of energy for carnivores.

• They have no role in the food chain.

Multiple Choice

What is the difference between a food chain and a food web?

• A food chain shows a single pathway of energy flow, while a food web shows multiple interconnected food chains.

• A food chain involves only plants, while a food web involves both plants and animals.

• A food chain involves only animals, while a food web involves both plants and animals.

• There is no difference between a food chain and a food web.

Multiple Choice

__________ is an organism that only eats plants for energy.

• Carnivore
• Herbivore
• Omnivore
• Terivore

Multiple Choice

__________ is an organism that eats BOTH plants and animals for energy.

• Omnivore
• Darnivore
• Carnivore
• Herbiovre

Multiple Choice

Lions only eat buffalo, antelopes, zebras and crocodiles. They are called __________.

• Omnivore
• Herbivore
• Carnivore
• Delivore

Multiple Choice

Bears eat fish, insects, plants, seeds, nuts and young elk. They are called __________.

• Franivore
• Carnivore
• Herbivore
• Omnivore

Multiple Choice

Elephants only eat leaves, fruit, nuts and grass. They are called __________.

• Omnivore
• Fortivore
• Herbivore
• Carnivore

Multiple Choice

All energy on Earth ultimately comes from what source?

• Water

• Consumers

• Sun

• Oxygen

Multiple Choice

What does a food chain represent?

• How all living organisms within a ecosystem are connected.

• All of the things that a particular animal eats.

• How plants create their own food.

• A single path of energy transfer within a ecosystem.

Multiple Choice

Example of a decomposer

• frogs

• mouse

• fungus

• plants

Multiple Choice

Molds, bacteria, and worms are ________.

• decomposers

• producers

• food chains

• consumers

Multiple Choice

All energy transformations in an ecosystem begin with

• a scavenger
• the sun
• a decomposer
• a herbivore

Multiple Choice

a deer population has significantly increased, the best hypothesis is 

• the deer's main predator has been eliminated
• competition increased
• decreased water levels of local ponds
• organisms that rely on similar food sources migrated to the area

Multiple Choice

Which is the smallest level of an ecosystem?

• organsism
• population
• community
• ecosystem

Multiple Choice

Which relationship describes predator/prey

• hawks and shrubs
• mountain lion and deer
• frogs and trees
• grasses and crickets

Multiple Choice

A diagram that shows the amount of energy that moves from one feeding level to another is termed..

• energy pyramid
• adaptation
• autotroph
• food web

Multiple Choice

a system of food chains that shows the transfer of energy  is termed

• food web
• food chain
• prey
• predator

Multiple Choice

an organism that can produce its own food through photosynthesis

• consumer
• heterotroph
• autotroph
• herbivore

Multiple Choice

an example of producer consumer relationship would be

• lion eating a deer
• grasshopper getting energy from grass
• hawk getting energy from snakes
• earthworm breaking down dead material

Multiple Choice

Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?

• Frog, Dragon Fly and snake
• Frog, trout and dragon fly
• Frog, salamander and trout
• Frog and phytoplankton

Multiple Choice

Use the diagram answer the question.
What is a fitting description for this diagram?

• A Food Chain
• An Ecosystem
• A Food Web
• Biotic and Abiotic Factors

Multiple Choice

Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?

• Population
• Resources
• Community
• Competition

Multiple Choice

What is the best explanation for an energy pyramid?

• It shows the FLOW of energy from one organism to the next. 
• It shows HOW much energy flows through a food web
• It shows the MEMBERS in a single organism

Multiple Choice

True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.

• True
• False

Multiple Choice

In this Food Web Pyramid what is the proper name for the organisms above the producer level at the bottom.

• herbivores
• consumers
• carnivores 
• omnivores

Multiple Choice

About how much percent of energy is passed on from one organism to to the next on a food web pyramid. 

• 100 percent of all energy gets passed
• 45 percent of all energy gets passed
• 10 percent of all energy gets passed
• 0 percent of all energy gets passed

Multiple Choice

The direction of the flow of energy in a food web is represented by ___.

• Light bulbs
• Dotted Lines
• Arrows
• Bubbles

Multiple Choice

Energy increases as you move up the food pyramid (from bottom to top).

• True 
• False