Name Date Block
Speciation Worksheet
Identify which type of reproductive isolation is being show in each example below:
G = geographic T = temporal B = behavioral
_______1. Two species of fireflies come out between the hours of 9-11 p.m. Each species has a unique
pattern of flashes that attracts a mate.
_______2. Two species of plants sprout from the ground at different months in the year.
_______3. Two species of frogs call from the water at the pond’s edge for a female.
_______4. Two species of squirrels get stranded on either side of a grand canyon.
_______5. Two species of mountain lions live in a forest on either side of a large river.
_______6. Two species of songbirds call from a tree for a potential mate.
_______7. Two species of bowerbirds construct elaborate nests to attract a mate.
_______8. Ten species of finches live on the Galapagos Islands.
_______9. Two species of foxes mate in different seasons.
_______10. Two species of beetles come out at different times of the day.
B
T
B
G
G
B
B
G
T
T
