Semester One Revision

Which is an abiotic factor that most limits the number of frogs living in a pond? 

• the color of the water 
• the number of predators 
• the temperature of the water 
• the populations of producers 

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NGSS.MS-LS2-1

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Field mice are the primary food source for horned owls in an area. Due to a drought, many field mice left the area. Which result would this drought most likely have on the horned owls?

• The horned owl population will consume more field mice.
• Horned owls will follow the field mice to a different area.
• The horned owl population will increase in the area.
• Horned owls will change to a plant-based diet.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which population would be most affected if there is a decrease in the population of aquatic insects?

• elk
• frog
• moose
• squirrel

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NGSS.MS-LS2-1

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

Below is an example of a simple food chain.

Acorn → Squirrel → Fox → Mountain Lion 

What will most likely happen if squirrels are removed from the food chain?

• The fox will eat acorns
• The fox population will decrease
• The trees will produce fewer acorns.
• The mountain lion population will increase

Tags

NGSS.MS-LS2-1

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Which is an abiotic factor that would affect the growth of a population within an ecosystem?

• the availability of water
• the availability of producers
• the type of herbivores present
• the number of carnivores present

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NGSS.MS-LS2-1

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Organisms that can produce their own source of food are called...

• heterotrophs

• omnivores

• autotrophs

• herbivores

Organisms that are unable to make their own food are called...

• autotrophs

• heterotrophs

• homeotrophs

• heterovores

At which trophic level can you find an herbivore?

• 1st Level

• 2nd Level

• 3rd Level

• 4th Level

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NGSS.MS-LS2-3

A consumer that eats only plants is called...

• an omnivore

• a carnivore

• an autotroph

• an herbivore

Herbivores are also called...

• secondary consumers

• primary consumers

• producers

• tertiary consumers