Final exam Level 6

He's too easygoing ________ upset about little things.

When someone refers to animals being "cooped up in" cages, that means they:

Easy to care for and inexpensive to keep.

It is a behavior that animals are born with: (a)  

Extinctions iare simply part of the natural process. It's the principle of "Survival of the _________"

A relaxed pet that is good with kids is:

A dog that is easily frightened is:

(a)  

Passenger pigeons used to fly together in very large ______________

She was too late to make the plane to Illinois, but she was early (a)   to catch the bus.

Well, I’d say I’m pretty (a)   . I don’t let things get to me.