1.
The ability of all owls to see at night is an ____.
2.
An example of ____ is that both zebras and antelopes eat the same grasses and plants.
3.
An animals ____ determines which adaptations are helpful and which are harmful.
4.
Over the last several thousands of years ____ has helped rats become successful at living in an increasingly human centric world.
5.
Regardless of what is written in their genes, all humans with brown hair have the same ____.
6.
The groundhog ____ in my neighborhood has increased significantly since the coyotes were relocated from the woods.
7.
Only organisms that ____ pass on their genes to another generation.
8.
Horses, donkeys, and zebras all have a common ancestor, but have evolved into separate ____.
9.
In an experiment trying to understand evolution in Russia, foxes were bred for specific ____s like friendliness toward humans.
10.
Some people can roll their tongues, while others cannot. This is an example of ____ between humans.
