Organisms must have variation within a population in order for natural selection to occur. which situation is an example of this variation?

15 ! answer! which were accomplishments of jane addams? check all that apply. -she established hull house. -she founded the sierra club. -she served on chicago’s board of education. -she published a book of photographs showing the urban poor. -she won the nobel peace prize in 1931.

Read the passage from the caged bird the connotation of narrow in the passage creates a feeling of

In a market economy, what does a producer mean when it asks, "is there a market for my products? is there a place where we can sell our products? " "ls our product being made more cheaply overseas? " will consumers need and want to buy our products? " will the government support demand for our products? "