Environmental Science Final Exam Review

What is the carrying capacity of the following graph?

• 1000
• 8000
• 800
• 600

What is the carrying capacity of the graph?

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

When a population grows past the ecosystem's carrying capacity, what happens to the population?

• Continues to grow
• The population starts to die off to return to carrying capcity
• The population will go extinct due to lack of resources
• The population grows then finds a new carrying capacity

If the carrying capacity of a predator decreases, what will happen to the carrying capacity of the prey?

• Will Increase
• Will Decrease
• Will stay the same
• Will fluctuate

The largest number of individuals in a species that an environment can support long term

• carrying capacity
• emigration
• immigration
• population density

Which of the following would INCREASE the carrying capacity of an ecosystem?

• increase in predators
• disease
• increase in available food
• drought

Which symbols best describe mutualism?

• +,+
• +,-
• +,0
• -,0

Which symbols best describe parasitism?

• +,+
• +,-
• +,0
• -,0

Which symbols best describe commensalism?

• +,+
• +,-
• +,0
• 0,0

If the population of a certain predator increases, there is often _______ its prey

• a decrease the population of
• an increase of the population of 
• great news for its prey of
• no  impact found on