Question

How are scientists able to determine what island male iguanas inhabit just by looking at them
they are different sizes on different islands
they have different sized snouts
they have different color patterns<--

Marine iguanas are physically adapted to life in the ocean by all the following except
flattened tails
specialized gills<--
long claws
blunt snout

Why can't the marine iguanas spend long periods of time playing and feeding in the ocean water?
they lose body temperature<--
they get too tired
they are not very good swimmers
they cannot withstand the salt

Answer 1

Marine iguanas primary diet consists of
penguins
bugs
turtles
algae<--

Answer 2

@farmergirl17

Answer 3

Algae

Answer 4

they have different color patterns<--

Answer 5

specialized gills<--

Answer 6

they lose body temperature<--