Q: Fact 1: Evolution occurs by a process called natural selection.  Fact 2: Adaptation and natural selection are discussed.  Given the two facts above, how does evolution occur?
A: by adaptation

Q: Fact 1: Chordates have a complete digestive system and a closed circulatory system.  Fact 2: All chordates have jaws.  Given the two facts above, what has a complete digestive system and a closed circulatory system?
A: animals with jaws

Q: Fact 1: Chordates have a complete digestive system and a closed circulatory system.  Fact 2: Vertebrates are members of of a larger group, the chordates .  Given the two facts above, vertebrates have a complete digestive system and a what?
A: closed circulatory system

Q: Fact 1: Evolution occurs by a process called natural selection.  Fact 2: Speciation is an extension of evolution.  Given the two facts above, what occurs by a process called natural selection?

A: speciation