Answer:
Mass
Explanation:
The measure of the pull of gravity on an object is called weight. For an object to have weight it must have mass.
Answer:
Those gases can only cross cell membranes when they are dissolved in water or an aqueous solution, thus respiratory surfaces must be moist.
Answer:
A. false
Explanation:
Fluently playing the piano is not a trait you inherit; it is a trait you learn. Just because, lets say, your father is fluent in the piano, doesn't mean that you will be also fluent.
Survival of the fittest. The strongest offspring will survive to adulthood and reproduce - their offspring will have stronger genes than prior generations. The weaker offspring will not live to adulthood and not produce offspring, therefore the weaker traits will die out with each generation
Biologists are the people who study and research about most of the things that are related to living things, including plants, animals, bacteria etc.
Example of topics they study include "ecology", like how different living organisms relate and interact with each other, or "cell biology", with small topics like how protein synthesis works or what is DNA or RNA.
Area of scientific studies that usually fall outside biology includes "astronomy" the study of space, or" chemical bondings", like how does elements react with each other.