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