Asked by Kaled

In a population being studied over a limit of time, four eggs hacth, six birds leave the area, three are eaten by cats, and five move into the area. What is the population change over the period of study?

A. An increase of 2 birds.
B. A decrease of 4 birds.
C. A decrease of 2 birds.
D. The population size did not change.

Hypothesis #1:

D: 6+4=10-6=4-3=1+5=6

Hypothesis #2:

A: 6+4=10-3=7+5=12

Please help me decide.
Answered by Ms. Sue
It looks to me as though the area has gained 9 birds and lost 9 birds.


Answered by Kaled
AHA! SO D IT IS!!!

Anyway have a great night guys girls Ms. Sue see yous tommorow I hope.
Answered by Ms. Sue
You're very welcome, Kaled.

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