chapter 14 science vocabs

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Ms. Pham's test for tomarrow

cuticle

a waxy layer that covers the parts of a plant that are exposed to air like leaves and stems.

vascular tissues

cells organized into tube-like structures that transport water, minerals, and food throughout a plant.

non-vascular plants

do not have any tissues to transport water and nutrients.

vascular plants

have tissues made of cells that transport water and nutrients throughout the plant.

rhizoids

root-like growths on mosses and liverworts that anchor the plant to a surface and do not have vascular tissues.

seed

a structure that contains a plant embryo and a supply of food inside a protective covering.

gymnosperms

vascular, seed producing plants whose seeds are not enclosed in a fruit.

angiosperm

vascular, seed producing plants whose seeds are enclosed in a fruit.

cotyledon

an embryonic leaf found inside of a seed.

xylem

a vascular tissue that carries water throughout a plant.

phloem

a vascular tissue that carries sugars and other foods throughout a plant.

epidermis

the layer of cells thatr foods covers the surface of roots.

stomata

tiny pores that allow carbon dioxide to enter a leaf and oxygen and water vapor to exit.

transpiration

the loss of water through the stomata.

tropism

growth in response to a stimulus.

flower

the reproductive organ of angiosperms.

pollination

the transfer of pollen, containing sperm, to the female part of the flower.

stamen

the male part of the flower.

pollen

the reproductive spore that contains sperm cells.

pistil

the female part of the flower.

stigma

part of the flower that attracts and holds pollen.

ovary

part of the flower that holds one or more ovules.

ovule

part of the flower that holds one egg cell.

fruit

a ripened ovary that contains angiosperm seeds.

germination

the process of a seed sprouting and its growth into a young plant.

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