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