THERE ARE LAWS IN BIOLOGY
A- 1
B- 2
C- 3
D- 4

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen