“if left alone by humans, the populations of all organisms in an ecosystem will increase.”
do you agree or disagree? explain why.
you can agree and disagree.

Which enzymes break down carbohydrates?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

How does the carbon cycle involve an exchange of carbon