Ignitia Plants Quiz 3 Review

some weed killers

are harmful to the environment

auxin

chemical produced in growing root tips

pith

dead xylem and phloem

geranium

example of a broad leafed plant

manure

form of organic fertilizer

carbon dioxide

gas given off in respiration

oxygen

gas made in photosynthesis

Chemical fertilizers

grow more food than organic fertilizers

Gibberellins

hormones that cause seeds to germinate quickly

palisade

leaf layer containing the most chloroplasts

root

major food storage unit for a carrot

Arsenic and lead

make plant regulators that can be toxic for animals and humans

starch

many glucose units stacked together

Gibberellin

plant chemical discovered in fungus

special chemicals called hormones

plants can produce these in many places and at different times.

mysteries

scientist have observed many plant

glucose

simple sugar

legume

soybeans

glucose

the first substance made in leaves, which can be made into many other chemicals.

stomata

tiny openings in the underside of a leaf

cortex

water and food storage location in roots

cuticle

waxy layer of the leaf

Chlorophyll

chemical necessary for all plants to perform photosynthesis