Ecology

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

• Autotroph
• Producer
• Consumer
• Mutualist

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NGSS.MS-LS2-2

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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. 

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NGSS.MS-LS2-3

What are the Abiotic factors in this image? 

• water, sunlight, dirt, air
• birds and plants
• birds, water, dirt
• plants, water

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NGSS.MS-LS2-1

As a population grows, it will most likely stop growing at what size?

• Growth limit
• Exponential limit
• Carrying Capacity
• It won't stop growing

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

What type of population growth does this graph represent?

• Abiotic growth
• Logistic growth
• Maximum growth
• Exponential growth

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NGSS.MS-LS2-4

If the birthrate is greater than the deathrate, what will happen to the size of the population?
(birthrate > deathrate)

• It will increase
• It will decrease
• It will stay the same
• It will take over the world

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NGSS.MS-LS2-4

For a given species, the maximum rate of increase per individual under ideal condition is

• biotic potential

• territorial

  behavior

• carrying

  capacity

• environmental

  resistance

Bacteria living in the roots of legumes can absorbe nitrogen from the air and convert it into ammonia by which process?

• nitrogen fixation
• carbon fixation
• oxygen fixation
• hydrogen fixation

Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?

• Precipitation
• Photosynthesis
• Respiration
• Bioremdiation

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