Interdependence of Organisms in Their Environment

Multiple Choice

Which is an example of an ecosystem?

• An area of cold climate and communities of different species

• one elk

• a group of elks living together in the same area

• elks, snow rabbits, and owls living in the same area

Multiple Choice

What is ecology?

• the study of interactions between organisms and their environments

• the study of animals

• the study of how genes are passed down from generation to generation

• the study of rocks

Match

Match the following levels of classification to the pictures:

Organism

Population

Community

Ecosystem

• Organism

• Population

• Community

• Ecosystem

Match

Match the following levels of classification to their definitions:

• 1 individual

• All the same species

• All the different living things

• All the biotic and abiotic things

Organism

Population

Community

Ecosystem

• Organism

• Population

• Community

• Ecosystem

Multiple Choice

What are the four most important materials needed by living organisms?

• water, carbon, oxygen, nitrogen
• water, food, oxygen, carbon
• water, carbon, nitrogen, phosphorous
• water, carbon, food, phosphorous

Multiple Choice

What converts nitrogen into a useable form for plants and animals?

• bacteria
• fungi
• rain

Multiple Choice

Carbon dioxide is added to the atmosphere by

• Burning fossil fuels 
• Cellular respiration
• Decomposing organic matter
• All answers are correct

Multiple Choice

What is it called when plants give off water vapor as a waste product?

• condensation
• evaporation
• sublimation
• transpiration

Multiple Choice

All the following is classified as a renewable resource, BUT...

• oil

• solar

• water

• wind

Multiple Choice

All the following is classified as a nonrenewable resource, BUT...

• oil

• natural gas

• water

• coal

Multiple Select

A resource is renewable because...

• it cannot be replaced as fast as people use it.

• it can be recycled.

• it can easily be replaced as it is used.

• it is available in limited supplies.

Multiple Select

A resource is nonrenewable because...

• it cannot be replaced as fast as people use it.

• it can be recycled.

• it can easily be replaced as it is used.

• it is available in limited supplies.

Multiple Choice

Autotrophic organisms that undergo photosynthesis

• Producers

• Consumers

• Detritivores

• Decomposers

Multiple Choice

Heterotrophic organisms that must consume other organisms for survival

• Consumer

• Decomposer

• Producer

• Organism

Multiple Choice

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

Multiple Choice

In this food chain, what is the producer?

• Plants

• Freshwater Shrimp

• Minnow

• Perch

• Pike

Multiple Choice

In this food chain, what is the primary consumer?

• Plants

• Freshwater Shrimp

• Minnow

• Perch

• Pike

Multiple Choice

In this food chain, what is the secondary consumer?

• Plants

• Freshwater Shrimp

• Minnow

• Perch

• Pike

Multiple Choice

If the hawk population decreases, what will happen to the snakes and rabbits?

• Snakes and rabbits will increase

• Snakes and rabbits will decrease

• Snakes will decrease, rabbits will increase

• Snakes will increase, rabbits will decrease

Multiple Choice

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

• parasitism
• commensalism
• mutualism

Multiple Choice

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. 

• parasitism
• commensalism
• mutualism

Multiple Choice

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

• parasitism
• commensalism
• mutualism

Multiple Choice

Which of the following shows the symbiotic relationship between the Rodent and the Bird?

• Mutualism

• Commensalism

• Competition

Multiple Choice

1.  A bee and a flower work together to benefit each other. This is an example of _________________. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar. 

• commensal relationship 
• parasitic relationship 
• mutual relationship 

Multiple Choice

Using this picture, what defense is this Hawk Moth displaying?

• camouflage
• emitting smells
• mimicry
• panting

Multiple Choice

The largest number of individuals that an environment can support long term is...

• carrying capacity

• emigration

• immigration

• population density

Multiple Choice

What happens if a population grows past its carrying capacity?

• The population keeps growing

• The population starts to die off

• The entire species will go extinct

• The carrying capacity just increases

Multiple Choice

What is the carrying capacity of the graph?

• 1000

• 8000

• 800

• 600

Multiple Choice

What is the carrying capacity of the graph?

• around 500

• more than 800

• less than 300

• around 700

Multiple Choice

What is the main difference between primary and secondary ecological succession?

• Primary begins WITHOUT soil; Secondary begins WITH soil

• Primary is the first state and secondary is the second stage

• Primary builds plant community; secondary builds animal community.

• Primary begins WITH soil; Secondary begins WITHOUT soil

Multiple Choice

What are examples of pioneer species in a primary succession?

• Bushes and Shrubs
• Oak trees
• Mossess and Lichens 
• A rose Bush

Multiple Choice

Primary or secondary ecological succession?

Multiple Choice

Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?

• A tornado
• A volcanic eruption
• A flood
• A drought

Multiple Choice

After a forest fire, an ecosystem would start regrowth through -

• primary succession
• secondary succession
• climax community
• limiting factors