Populations and Ecosystems Review

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

• a measure
• a limiting factor
• factorization
• predation

Tags

NGSS.MS-LS2-4

In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population? (pick 2)

• Squirrel Population

• Sunlight

• Grass available

• Fungi growth

• foxes

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What year is the zebra population the highest?

• 1920

• 2000

• 1960

• 2020

According to the graph, What is causing the deer population to decrease

• They got sick
• The wolf population is decreasing
• The wolf population increased
• Nothing it's a coincidence

Tags

NGSS.MS-LS2-4

What would the carrying capacity of this graph be

• 530
• 400
• 500
• 480

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

How does energy enter an ecosystem? 

• sunlight
• soil 
• animals 
• invasive species 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A nonliving element in an ecosystem is an 

• animal
• abiotic factor
• biotic factor
• organism

Tags

NGSS.MS-LS2-3

Which of the following is not an abiotic factor?

• sun
• temperature
• soil
• grass

Which of the following is not a biotic factor?

• mushroom
• air
• elephant
• coyote

Tags

NGSS.MS-LS2-2

An organism that gets food by eating other organisms? 

• producer 
• consumer
• herbivore 
• decomposer 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2