Bryophyte (moss)

Question 1

Characteristics of bryophytes?

Answer 1

Have spores
Small, low lying
No roots that absorb nutrients
No vascular tissue (nutrient diffuse)

Question 2

What are bryophytes Amphibian characteristics?

Answer 2

Depend on diffusion
No supporting tissue (brown close to soil)
Tied to water (gametes swim in water to reproduce)

Question 3

How do briophytes reproduce?

Answer 3

Sporophyte - long stalk that releases spores into the air

Adapted to air for asexual reproduction

Question 4

Phylum Hepatophyta (liverwort) characteristics?

Answer 4

Growth habit- thallus (big thick leaf, almost like reptile skin)
Recognize by - sporophytes, archegoniospotes, anyheridiospores, Gemma cups, thallus

Question 5

Phylum Anthocerophyta (hornworts) characteristics?

Answer 5

Growth habit - thallus

Recognized by - horns (cero)

Question 6

Phylum Bryophyta (moss) characteristics?

Answer 6

Growth habit - leafy

Recognized by - sporophyte with capsules

Question 7

Why is sphagnum important?

Answer 7

Used as fuel

Horticulture

Question 8

Why is miss important?

Answer 8

Reduces erosion along streams

Water and nutrient cycling in tropical forests

Question 9

Life cycle of moss?

Answer 9

1. Water transfers sperm (1n) from male to egg (1n) on female
2. Egg fertilizes and creates zygote (2n)
3. Grows into immature sporophyte inside of egg
4. Mature sporophyte with capsule
5. Meiosis - spores break off of sporophyte and go into ground
6. Germination creates protonema
7. Full grown moss