Hydroponics Quiz 10/23

Seed Coat

Protects the seed from damage and drying out.

Embryo

The baby plant inside the seed.

Endosperm

Stores nutrients to feed the developing plant.

Germination

The process in which a seed begins to grow into a new plant.

Radicle

The embryonic root that emerges first during germination.

Shoot

The plant part that grows upward toward the light during germination.

Layers Dicot Stem

1. connective tissue

2. phleom

3. cambium

4. xylem

Megaphylls

Leaves with a broad, complex network of veins.

Root Zone

soil around a plant's roots where water and nutrients are absorbed and interact with soil organisms.

Absorption

Taking in water and minerals through the roots.

Anchoring

Holding the plant firmly in the soil.

Feeder Roots

Small roots that absorb most of the water and minerals a plant needs.

Damaged Feeder Roots

Can cause wilting, slow growth, yellowing leaves, and potentially plant death due to poor water and nutrient absorption.

Seed Dormancy

A seed refusing to sprout even in ideal conditions

Purpose of Seed Dormancy

Helps a seed survive until the environmental conditions are stable for it to grow

Vascular Tissue

tissue that transports water, minerals, and food throughout the plant.

Xylem

vascular tissue that moves water and dissolved minerals upward from the roots

Phloem

vascular tissue that transports food like sugars and amino acids upwards

Stomata

Tiny pores in epidermis, allow gas exchange and water vapor release.