This animal DOES NOT have live birth, instead this animal...?

How do adaptation affect a species?

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures