The white and black moths are the same species and thus the same population. Explain how you can have variation of a trait within a population? (think back to mendel genetics and punnett squares)

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid