he gives them territories with lots of females
he threatens to bite them
he gives them more testosterone or progesterone
he gives them more food
sharing toys at the playground
starting a fight
reading a book
running away from a fight
a type of lizard behavior
a chemical that is higher in women than in men
a hormone in lizards and people
a type of tree lizard
catching insects
warming themselves in the sun
changing their hormone levels
communicating with other lizards
They have different colored dewlaps
They are more aggressive
They have more testosterone and progesterone when they are babies
They have territories
All of the above