Populations & Symbiotic Relationships

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

• True
• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

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

Tags

NGSS.MS-LS2-4

What is the carrying capacity of the graph?

• around 500
• more than 500
• less than 500
• around 600

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Carrying capacity is...

• The maximum number of individuals that can fit into an area

• Ability of an area to accommodate a growing population

• The greatest # of individuals an area can support over time.

• The maximum number of species that can co-exist in an area

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Select all the BIOTIC limiting factors

• disease

• resourses

• competition

• predataion

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

This may cause a population to increase

• increase of food supply

• removal of predators

• removal of disease

• all of these

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What are factors that affect carrying capacity?

• Biotic only

• Biotic and abiotic

• Depends on the ecosystem

• Abiotic only

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

A relationship between two organisms in which both organisms benefit.

• commensalism
• mutualism
• parasitism

Two organisms fighting over the same resource.

• commensalism
• niche
• competition

Tags

NGSS.MS-LS2-1

A relationship between two organisms where one benefits and the other is neither harmed nor helped.

• commensalism
• competition
• niche