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