Recap 4/5

When the hare population increases, what happened to the lynx population?

• It rose. 
• It fell. 
• It stayed the same.

a deer population has significantly increased, the best hypothesis is 

• the deer's main predator has been eliminated
• competition increased
• decreased water levels of local ponds
• organisms that rely on similar food sources migrated to the area

Which organism gives its energy to 4 organisms?

• grass

• fungi

• shrub

• grasshopper

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.

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.  

• hawk population
• rabbit population
• wildflower population
• grass population