[BIOLOGY 130] - Final Exam Guide - Ultimate 28 pages long Study Guide!
Document Summary
Males removed during the non-fertile period never removed eggs. ix. Costs of care often lower for females: potential reproductive rate often lower in females than males, why do males in some species provide parental care, relative costs/benefits of parental behavior vary across species. Soon, the trait has spread in the population such that lots of weak crabs have huge claws: a mutant crab arises that ignores claw size during fights. He is su(cid:272)(cid:272)essful (cid:271)e(cid:272)ause he does(cid:374)"t ru(cid:374) a(cid:449)a(cid:455) fro(cid:373) (cid:449)eak (cid:272)ra(cid:271)s (cid:449)ith large claws: the mutant that ignores claw size has high fitness. Gathering info about the environment: perceiving the environment allows animals to respond to changes in the world around them. Kin: na ve hypothesis: since perception so important, evolution will favor animals with the best sensory systems. Ears that hear the best: perception is costly. Evolution favors animals to have minimal perception needed. Flies populations kept in the lab have relatively few challenges.
