Water And Minerals In Plants Flashcards
What do transport plants carry?
Water and minerals
What is the function of xylem?
Transport water and minerals from roots to other parts of the plant
What are tracheids?
Water-conducting cells in the xylem
What is the apoplast?
The pathway for water movement through the cell walls and intercellular spaces
What is the symplast?
The pathway for water movement through the cytoplasm of cells
What is osmosis?
The movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration
What is the Casparian strip?
A band of cell wall material in the endodermis that is impregnated with suberin, blocking passive flow of materials
What is lignin?
A complex organic polymer that provides rigidity and strength to plant cell walls
What is the endodermis?
The innermost layer of the cortex in plant roots, regulating the flow of water and nutrients
What is the role of roots?
Anchoring the plant and absorbing water and minerals from the soil
What is a water potential gradient?
The difference in water potential that drives the movement of water in plants
What is a root hair cell?
A specialized cell that increases the surface area for water and nutrient absorption
What is transpiration?
The process of water vapor loss from plant leaves
What is evaporation?
The process of turning liquid water into vapor
What is a hydrophyte?
A plant adapted to grow in water or very wet environments
What is a mesophyte?
A plant that requires a moderate amount of water
What is a xerophyte?
A plant adapted to survive in dry environments
What are adaptations in plants?
Features that enhance survival in specific environments
What is a waxy cuticle?
A protective layer on plant leaves that reduces water loss
What is the function of stomata?
Small openings on leaves that allow gas exchange
What are guard cells?
Cells that control the opening and closing of stomata
What does arid mean?
Characterized by little or no rainfall
What does aquatic mean?
Relating to water; living in or on water
What is buoyancy?
The ability of a plant to float in water
What are sunken stomata?
Stomata that are located below the surface of the leaf to reduce water loss
What is the epidermis in plants?
The outer layer of cells covering the plant
