What are population pyramids used to show? 

A. death rates
B. birth rates
C. competition
D. age composition of a population
E. the carrying capacity


D. age composition of a population

Biology & Microbiology

You might also like to view...

Some membrane proteins are involved in bioenergetic reactions, while others are involved in membrane transport

Indicate whether the statement is true or false.

Biology & Microbiology

First observed by Lederberg and Zinder (1952) in Salmonella typhimurium

A. Transformation B. Transduction C. Conjugation D. All of the answers are correct

Biology & Microbiology

Anandamide (and THC) differ from neurotransmitters in that they bind to

A) presynaptic receptors. B) postsynaptic receptors. C) dendrites. D) axons.

Biology & Microbiology

Which of the following statements about the process of hearing is true?

A. Hearing is dependent on mechanical pressure. B. Sound is similar to light insofar as it is transmitted through the vacuum of space. C. All parts of the organ of Corti hear all ranges of sound. D. Loud music cannot damage your ears. E. Hearing is not dependent on the inner ear.

Biology & Microbiology