lab1
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viability selection
selection favors the inidivisual that lives long
sexual selection
selection favors the indivisual that are able to get mates
intrasexual compeititon
• competition between males to get female • the one thats stronger wins
mate choice
• favors traits that are more attractive to the other sex
complete metamorphosis
• a specie goes through changes within their lifetime (butterflies)
walking sticks
• males prefer females that are longer because they produce more and larger eggs • female are capable of parthenogenesis but takes longer for eggs to develop
water striders
• the hair on their body and leg are water repellent and allows them to move in water
giant water bugs
• sometimes the female lays her eggs on the male and carries them until they hatch (paternal care)