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bju press science

life science chapter 13

QuestionAnswer
What plant organ that absorbs water root hairs
What term is used for plants response to light phototropism
What term is used for plants response to gravity gravitropism
What term is used for plants response to daylight photoperiodism
What are hormones? chemicals made by living this that affect how they grow
What is the spongy layer? below palisade layer , air spaces between cells, containing chloroplast,
What is xylem? thin straw like cells that transport water
What is transpiration? the exiting of water through the stomata of a leaf
What are lenticels? (similar to stomata but for woody plants) small opening for oxygen to pass through
What is aerobic cellular respiration? converting sugar produced by photosynthesis in to usable energy
What are lipids? one way plants store sugar, by turning them into these (example: oils)
What is vascular cambium? layer of cells between xylem and phloem that is constantly reproducing more xylem and phloem
How does water go through the plant? root hair-xylem-spongy layer-stomata
Photoperiodism is controlled by what? phytochromes
Created by: ckproctor
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