Enviro SMT Review 1

An endangered species is

• One whose numbers are so small that it is at risk of extinction
  
• One whose not been spotted after many years.
• One whose numbers are abundant.

A species is defined as endangered when it

• suffers from damage to its habitat.
• suffers from disease or predation.
• when there are hazards to the continued life of the species.
• all of the above

An animal that might become endangered if nothing is done is considered __________.

• extirpated

• threatened

• extinct

• vulnerable

All members of one species in a certain area.

• Population
• Limiting Factors
• Immigration
• Birth Rate

The largest number of organisms that the environment can support. 

• Carrying Capacity
• Limiting Factor

Environmental factors that keep a population from increasing. 

• Carrying Capacity
• Limiting Factors

If a species no longer exists on Earth, it is considered to be...

• new

• endangered

• extinct

• short-listed

__________ is an organism that only eats plants for energy.

• Carnivore
• Herbivore
• Omnivore
• Terivore

__________ is an organism that only eats meat for energy.

• Omnivore
• Borivore
• Herbivore
• Carnivore

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.