An ecologist catches 100 frogs from a pond, marks them, and releases them back into the pond. after a few days, another 100 frogs are captured and 10 have the marks on them. how many frogs are in the pond?

Which of the following cannot be composted? banana peel meat grass clippings leaves

What type of damaging agent causes double-strand breaks in dna?

All living things are made of one or more cells. Here are two types of cells: an animal cell and a plant cell. The plant cell is angular compared to the animal cell.

5. If a person eats a salmon (that ate smaller fish that ate algae), the person is acting as ... O A. a primary producer O B. a primary consumer o C. a secondary consumer o D. a tertiary consumer O E. a quaternary consumer

Describ lipogensis in a short note

What is the odd one out of breathing, sweating, respiration and why?

Which surface of the ocean current has the warmest water a. peru current b. north atlantic drift c. brazil current d. canary current

A forest habitat contains a great deal of plant and animal life. Using the forest habitat as a model, explain the difference between species richness and relative abundance. Discuss how each affects the survival and fitness of populations.

Sort the bones based on whether they belong to the appendicular skeleton or the axial skeleton.

Abnormally low levels of the neurotransmitter serotonin are associated with: