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Words to help you read the lesson and study for the quiz. Spend a few minutes with this once a week between now and July and you can remember these for the Final Exam too.


a scientist who studies living things


help a creature die more quickly because it is very sick or badly hurt; "mercy killing"


equipment; stuff you need for work or sports


very dangerous; deadly; able to kill


a special job or task


probably; thinking something is true


very bad (with injury, storm, problem)


workers; employees


unable to leave; in a helpless or difficult position


cutting open a creature to help it; something a doctor does

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