Ecology Test Review

Any factor in an ecosystem that has never had the ability to sustain life is called?

• Biotic Factor
• Abiotic Factor
• Limiting Factor
• Non-Living Factor

Any factor in an ecosystem that is currently living or has once lived is called?

• Abiotic Factor
• Biotic Factor
• Limiting Factor
• Non-Living Factor

All biotic and abiotic factors are ______________.

• The Same
• Different
• 
  Interralted/Connected
• Biotic Factors

In nature you will find that if one factor is changed or removed………………..

• The other factors are not affected in any way.
• Only the biotic factors are affected.
• Only abiotic factors are affected.
• All factors in an ecosystem are affected when one thing is increased or decreased.

What could possibly be a result of decreasing a population of vultures in a desert ecosystem?

• The vultures prey population will increase.
• The vulture prey population will decrease.
• The vulture prey population will stay the same.
• The amount of rainfall in increase in the desert with no vultures.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

___________ ___________ are things that happen in an ecosystem that cause the population to change (usually decrease).

• Biotic Factors
• Abiotic Factors
• Limiting Factors
• Non-Living Factors

Total devastation of an ecosystem will occur when, a ________ happens.  This limiting factor can happen in any terrestrial biome and will destroy biotic and abiotic factors.

• Hurricane
• Tsunami
• Fire
• Tornado

The largest amount of plants and animals an ecosystem can support is called ___________ _____________.

• Biotic Factor
• Abiotic Factor
• Carrying Capacity
• Non-Living Factor

A herd of rhinos live in an area of the savanna that has a carrying capacity of 25.  What could happen if 7 additional rhinos immigrated into the existing herd?

• There will be enough food, water, and shelter for all of the rhinos.
• There will be no change in the ecosystem from the original 25 rhinos.
• The food, water and shelter will be limited and could cause emigration and competition.
• The rhinos will have to immigrate and leave the existing savanna.

Which of the following will decrease an ecosystems population?

• Abundant Water
• Plentiful Food
• Stable Climate
• Abundant Predations