Energy Transfer in Ecosystems Review

Fill in the Blanks

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 Blanks

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