Science 7 - Unit 5: Plants for Food and Fibre Vocabulary

Vocabulary flashcards covering plant structures, life processes, reproduction, soil types, and agricultural management based on the Science 7 Unit 5 curriculum.

Adaptation

A trait or characteristic that helps a living organism survive and reproduce in its environment.

Taproot

A thick, main root that grows straight down into the soil, with smaller side roots branching off from it.

Fibrous Root

A root system made up of many thin, branching roots that spread out in all directions near the surface of the soil.

Xylem

Transports water and minerals from the roots up to the rest of the plant.

Phloem

Transports sugars (food) made in the leaves to the rest of the plant.

Tuber

A thick, underground stem that stores food for the plant.

Runner

A thin stem that grows along the ground and can grow new plants at different points.

Chlorophyll

A green pigment that absorbs sunlight for photosynthesis.

Diffusion

Movement from high concentration to low concentration.

Osmosis

Movement of water across a membrane from high to low concentration.

Fibre

Provides support and structure.

Pollination

Transfer of pollen from anther to stigma.

Germination

Seed sprouts and grows into a new plant.

Seed

Contains a baby plant and stored food.

Anther

Produces pollen.

Petal

Colourful part that attracts pollinators.

Sepal

Protects the flower bud.

Selective Breeding

Choosing organisms with desired traits to reproduce.

Genetic Engineering

Changing an organism’s DNA.

Fertilizer

Adds nutrients.

Clay

Holds water well.

Loam

Best for growth.

Silt

Holds some water.

Sand

Drains quickly.

Salinization

Buildup of salt.

Monoculture

One type of crop.

Yield

Amount of crop produced.

Pesticide

Kills pests.

Irrigation

Supplying water to crops.