Answer:
pH is the measure of hydrogen ion concentration in a solution. It measures how acidic or how basic a solution is, on a scale of 0 to 14, where less than 7 is acidic, 7 is neutral, and greater than 7 is basic.
Answer: B. Are found in organisms of the same species.
Homologous structures are body parts that are alike because the species in question share a common ancestor.
Answer:
D
Explanation:
Amphibians have eggs that need to be constantly submerged in water. The amniotic egg is like a chicken egg. It doesn't need to be submerged in water, but it does need to be kept warm.