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