Historically, African elephants have had large ivory tusks. For many years, poachers (illegal hunters) have been killing elephants that have large tusks so they could sell the ivory, which is valuable. Now many African elephants have small tusks or do not develop tusks at all. Which statement is true?

A. Elephants without tusks are more likely to be hunted than elephants with large tusks.
B. Elephants without tusks cannot reproduce.
C. Poaching has had no effect on the size of elephant tusks.
D. The trait of tusk size in elephants has changed over time.

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.