Which of the steps described in the item above (variation, selection,
and/or inheritance) are affected by the prior exposure of bed bug
populations to ddt? how are those steps or step affected?

Nucleic acid certain protein cell membranes certain carbohydrates

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds