Q: Fact 1: Evolution occurs by a process called natural selection.  Fact 2: Adaptation and natural selection are discussed.  Given the two facts above, answer the question "How does evolution occur?" with the following options:  - Plants growth  - by adaptation  - vitalism  - Plant reproduction  - theistic evolution  - competition  - orthogenesis  - mechanical
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, answer the question "What has a complete digestive system and a closed circulatory system?" with the following options:  - graptolites  - Veins and arteries.  - sunlight  - graphite  - fur seals  - viruses  - animals with jaws  - Most plants
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, answer the question "vertebrates have a complete digestive system and a what?" with the following options:  - Veins and arteries.  - lack of backbone  - bruised brain stem  - critical organs  - closed circulatory system  - incomplete circulatory system  - characteristics  - sensory neurons
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, answer the question "What occurs by a process called natural selection?" with the following options:  - competition  - root growth  - mitosis  - meiosis  - speciation  - cellular respiration  - Plants growth  - Animal survival

A: speciation