Interactive Video: Plant System Interactions - Xylem & Phloem

What is the primary method of nutrient acquisition in unicellular organisms?

• Through diffusion across their cell membrane

• Through a complex vascular system

• By consuming smaller organisms

• Using specialized feeding appendages

Tags

NGSS.MS-LS2-3

What are the two types of vessels found within a plant's vascular bundle?

• Root hairs and Leaf veins

• Stomata and Lenticels

• Arteries and Veins

• Xylem and Phloem

What substance does the xylem primarily transport?

• Water and dissolved minerals

• Carbon dioxide

• Sugars and amino acids

• Oxygen

Tags

NGSS.MS-LS2-3

How is the xylem vessel adapted to its function?

• It contains chloroplasts for photosynthesis

• It has a hollow lumen strengthened by lignin

• It has a thick layer of cytoplasm for nutrient transport

• It is composed of living cells that actively pump water

Tags

NGSS.MS-LS1-2

Which direction does water flow through the xylem?

• In multiple directions as needed

• From roots to leaves

• Circularly within each segment of the plant

• From leaves to roots

What is the main function of phloem in plants?

• To absorb sunlight for photosynthesis

• To provide structural support to the plant

• To carry products of photosynthesis to various parts

• To transport water from leaves to roots

What is translocation in the context of phloem?

• The exchange of gases through stomata

• The transport of sugars and amino acids to where they are needed

• The process of converting sunlight into chemical energy

• The movement of water from roots to leaves

Tags

NGSS.MS-LS2-3

What are the primary products transported by phloem?

• Water and mineral salts

• Sugars, mostly sucrose, and amino acids

• Nitrogen and phosphorus

• Oxygen and carbon dioxide

Tags

NGSS.MS-LS1-6