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Chp 5 Science

Epidermis the thin outer layer of cells
Xylem moves water and minerals to other parts in the plant.
Phloem carries sugar made in the leaves throughout the plant.
Stoma A small opening water and gas pass in and out of the plant through.
Guard cells work together to open and close a leaf's stoma.
Transpiration loss of water from the leaf.
Some plants have one large root called a taproot with many roots growing out of it.
_____ are taproots that store extra food made by the plant. Carrots
____ are roots that store water. Carrots
Describe two functions of stems in flowering plants. Stems provide support for the plant as it grows. The stem also has xylem and phloem, which move water, minerals, and glucose throughout the plant.
Plants with stems that are green and are easy to bend are called Herbaceous plants.
Guard cells open and close a leaf's stoma.
Photosynthesis process in which a plant makes glucose.
Cellular respiration process by which cells break down glucose with the release of energy.
During photosynthesis plants use_____ from the sun, _____ from the air, and __ to make glucose and oxygen. light energy, carbon dioxide, and water.
cuticle waxy layer that may cover a leaf and slow water loss.
A mitochondria releases energy and is called the powerhouse of a cell.
Tropism plant behavior caused by growth toward or away from something in the environment.
Some seed plants called, ________ produce flowers. angiosperms
after fertilization, the female cone closes up and ____ grow in it. seeds
Compare and contrast spores and seeds. Spores contain a single cell that grows into a new plant, and seeds contain a multicellular embryo that develops into a new plant.
How does the environment influence the time at which a seed germinates? How does this help the seed to survive? Seeds need a certain temperature, water, and oxygen. If the environment is not right the seeds will not germinate and the embryo will stay inside the seed.
Plant behaviors can result from chemicals the plants make.Give 3examples of tropism. 1.Gravitropism is a plants response to gravity to which roots grow down and stems grow up.2. Photo tropism is a response to light in which stems bend toward the light and roots bend away from the light.3.Thigh tropism is a response to touch.
Created by: cdee