Population Growth Quiz-2B

What is an invasive species?

• an organism that IS native to an area and causes harm to the environment/humans

• an organism that is NOT native to an area and causes harm to the environment/humans

• an organism that is NOT native to an area and helps the environment/humans

• an organism that IS native to an area and helps the environment/humans

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NGSS.MS-LS2-5

Why do the populations of invasive species grow so quickly?

• Invasive Species are native to an area.

• Invasive species are prey to many animals.

• Invasive species have no natural predators.

• Invasive species keep the ecosystems in equilibrium.

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NGSS.MS-LS1-5

A sea otter and a sea star are examples of...

• invasive species
• keystone species
• native species 
• symbiotic species

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NGSS.MS-LS2-2

A species that maintain biodiversity by keeping prey populations controlled are called...

• Introduced Species
• Apex Predators
• Invasive Species
• Keystone Species

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NGSS.MS-LS2-5

Which of these factors do not respond to the density of a population in an ecosystem?

• Density Dependent Limiting Factors

• Density Independent Limiting Factors

• Herbivory Effect

• Competition

Which of these limiting factors has an influence on the growth of a population based on its density?

• Natural Disasters

• Seasonal Changes

• Weather

• Overcrowding

Tags

NGSS.MS-LS2-4

An environmental factor such as storms and extreme heat or cold that decrease a population are considered to be. 

• density- dependent factor
• population density
• dispersion
• density- independent factor

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NGSS.MS-LS2-4

Limiting factors are sometimes helpful because they can keep the population from getting too large.

• True
• False

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Any thing or organism that regulates the size of a population of another organism is known as __________.

• a limiting measure
• a limiting factor
• factorization
• materialization of precipitation

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NGSS.MS-LS2-4

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

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NGSS.MS-LS2-1

NGSS.MS-LS2-4