animal communication + reproduction

What are advantages of group living?

resource sharing

protection

cooperative behavior/social interactions

What are disadvantages of group living?

competition within group

disease spreading

increased visibility

The many eyes hypothesis suggests that the greater the number of animals within a flock, the _____ successful attacks upon them

less

interactions between members of one sex

intrasexual

interactions between members of different sexes (mate choice)

intersexual

sexual selection involves both?

intrasexual selection and intersexual selection

Sexual selection leads to the evolutionary result of what?

secondary sexual characteristics

sexual characteristics that distinguish the two sexes of a species but not directly related to reproduction

secondary sexual characteristics

Often, certain mates dominate in performing majority of the matings, resulting in what physiological difference?

be/become larger

Mating system in which one male mates with one female

monogamy

Mating system in which one male mates with more than one female

polygyny

mating system in which one female mates with several males

polyandry

What mating system consists of less sexual dimorphism/difference?

monogamy

What mating system usually involves both parental involvement?

monogamy

What is the least common mating system found in nature?

polyandry

What mating system involves primarily intense paternal care?

polyandry

What mating system involves uniparental care?

polygyny

What mating system results in high sexual dimorphism?

polygyny

What graph can be used to evaluate and mark animal behavior?

ethogram