biology chapter 7 vocabulary words
Terms
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- Chemical energy
- Stored in the bonds that hold molecules together.
- Asexual reproduction
- Reproducion that involves one parent and no egg or sperm.
- Roots
- Absorb water and minerals from the soil.
- Stoma
- A small opening in a leaf that allows gases to enter and leave. plural stomata.
- Ovary
- Female sex organ that produce eggs.
- Guard cell
- A cell that opens and closes stomata.
- Cellular respiration
- The process in which cells break down food to release energy.
- Stamen
- The male part of the flower.
- Germinate
- To start to grow into a new plant spout.
- Pollen
- The tiny structures of seed plants that contain sperm.
- Nectar
- A sweet liquid that many kinds of flowers produce.
- Pollination
- The process by which pollen is tranfered from the statement to the pistil.
- Pistil
- The female part of a flower.
- Photosynethesis
- The process in which a plant makes food.
- Pigment
- A chemical that absorbs certain types of light.
- Petiole
- The stalk that attaches a leaf to a stem.
- Chlorophyll
- The green pigment in plants that captures light energy for photosynthesis.
- Annual growth rings
- Rings in a tree trunk formed by the growth of wood in layers.
- Phloem
- The vascular tissue in plants that carries food from leaves to other parts of the plant.
- Zygote
- A fertilized cell.
- Sexual reproduction
- Reproduction that involves two parents, an egg and sperm.
- Photosynthesis
- The process in which a plant makes food.
- Xylem
- The vascular tissue in plants that carries water and minerals from roots to stems and leaves.