A forest ecosystem can support a limited number of bears. This is because...
Question 3 options:

bears hibernate during the winter.

the base of the food chain is seasonal.

available energy is lost from one trophic level to the next.

light that supports photosynthesis is limited during certain times of the year.

b. read the phase at the intersection of any given temperature and pressure.

c. the initial amount of money placed in the savings account

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?