Chapter 3
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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To arrange or sort objects or living things according to their properties
classify
Animals that have a backbone
vertebrates
Animals that don’t have a backbone
invertebrates
The leaflike parts that cover and protect the flower bud
sepal
The female part of the flower
pistil
The male part of the flower
stamen
The movement of pollen from stamen to pistil
pollination
The process where the sperm and egg cell combine
fertilization
to start to grow
germinate
The process where plants make sugar
photsynthesis
The substance in plants that makes them green
cholorphyll
A physical feature or behavior that helps an organism survive
adaptation
The qualities an organism has
characteristics
The receive characteristics from a parent
inherit
A characteristic that can help an individual compete
advantage
Something that causes a reaction in a living thing
stimulus
A behavior that is inherited
instinct