Question

Why have human population sizes increased dramatically in the last several hundred years? Select all that apply.

A. genetic mutations

B. advances in medicine

C. agricultural advances

D. expansion of biodiversity in cities

E. building housing in a wide array of habitat types

Answer 1

Advances in medicine

Agricultural advances

Building housing in wide array of habitat types.

Advances in medicine have decreased the death rate in human population leading to increase in population sizes. Agricultural advances have increased the amount of sustained food resource for humans thus eliminated the pressure for finding echological niches.It has also elimited competition for food resources. Building housing in various habitats have destroyed many species thus reducing competition for resources.