Unit 4 Video 1 Seagrasses

What is the difference between phloem and xylem?

• Phloem transports water and minerals, while xylem transports food.

• Phloem transports food, while xylem transports water and minerals.

• Phloem and xylem both transport food and water.

• Phloem and xylem have no difference.

Tags

NGSS.MS-LS2-3

Conifers have seeds in _______ and flowering plants have seeds in _________.

• cones

• flowers

• fruits

• leaves

What does halophyte mean?

• A plant that grows in saline conditions

• A plant that grows in dry conditions

• A plant that grows in cold conditions

• A plant that grows in tropical conditions

Hydrophyte refers to a plant that:

• grows in dry conditions

• grows in water

• grows in cold climates

• grows in tropical regions

Which of the following are examples of seagrasses?

• Eelgrass

• Kelp

• Seaweed

• Coral

Rhizomes are:

• underground stems

• types of roots

• flowering plants

• leaf structures

Aerenchyme (lacunae) are specialized tissues in seagrasses. What are their 2 functions?

• Facilitate gas exchange and provide buoyancy

• Store nutrients and support photosynthesis

• Protect against herbivores and store water

• Anchor the plant and absorb nutrients

Tags

NGSS.MS-LS2-3

Hydrophilous pollination is a type of pollination that occurs in which medium?

• Air

• Water

• Soil

• Insects

Seagrasses help deposit and stabilize sediments in many ways. Which of the following is NOT a way they contribute to this process?

• By trapping sediments with their leaves and rhizomes

• By reducing water motions allowing sediment to fall.

• By dead leaf matter adding to the sediment.

• By increasing water temperature significantly.

Tags

NGSS.MS-LS2-3

​ (a)   transports water, and ​ (b)   transports nutrients.

• Xylem
• phloem
• seeds
• stomata

Tags

NGSS.MS-LS2-3