Animal Behavior Test 3 Fall 2006 Emory

Front 1

what are some factors promoting the evolution of parental care

Back 1

1) complex, stable environment- env. with lots competition (rainforest)
2) difficult environment
3) specialized diet- like the oyster shell birds
4) preditor pressure/ infanticide

Front 2

_____ is the number of offspring remaining to be born to the average female at age X. Reproductive value changes with age

Back 2

reproductive value

Front 3

do older females invest more in their young?

Back 3

One hypothesis says yes because she has low reproductive so there is a reason for her to sacrifice her welfare for the few kids that she can still have- parental care 6

Front 4

Do older females always invest more in offspring than younger females

Back 4

no- older mares did not invest more but investided more of energy at critical time period. Also, study showed overall older mares invested less.

Front 5

Do insects have r or s type parental care

Back 5

r type because they usually have lots of offspring and invest little in each one.