Young tadpoles breath like fish. what structure enables them to breathe underwater

A. tracheae

B. skin

C. alveoli

D. gills

How are bones part of the circulatory system?

Which cell has the highest rate of mitosis

The division of cells following telophase is called?

What are the effects of regular exercise, especially aerobic activities, on the ots?

The area around a cell has a high concentration of sodium ions. as a result, the cell membrane expands and bursts. which problem was the cell most likely having? a. the cell is unable to spontaneously generate. b.

A cheeseburger from a fast food restaurant contains 19 g of fat, 20 g of carbohydrate, and 28 g of protein. How many kcal of energy does the cheeseburger contain

How do enzymes catalyze chemical reactions (don't just say "they lower the activation energy", give me specific mechanisms) ?

What must happen before the cell can go through mitosis? Interphase.

Belle's grandfather lives in a region where the temperature drops below 0*F at night. When belle visited her grandfather, they hiked up a hill. Belle noticed that a lot of rock had cracks in them.

The genetic condition of an organism that has two identical alleles for a given trait.