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