In which part of the reproductive system does fertilisation normally take place in humans

Using freezing point depression to find molecular weight lab report

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

An easy way to calculate the amount of energy available at each level is to what?