What Is A Seed Plant

Question 1

Label parts of seen and name F

Answer 1

Embryo
Seed coat: protection
Cotyledon: food storage

Question 2

Step ate two structures of seeds that permits dormancy

Answer 2

Seed coat and cotyledon ( food storage)

Question 3

Give two advantages of seed dormancy:

Answer 3

1. Enable seeds to travel vast distances

2. Seeds can sustain germination until right time

Question 4

What are the two spores

Answer 4

MEGA AND MICRO -SPORE

Question 5

What two spores develop respectively??

Answer 5

1. FEMAL SPORANGIA- meiosis- MEGASPORES -(fgametophyte)

2. MALE SPORANGIA- meiosis- MICROSPORES- MGametophyte)

Question 6

Which one is protected by ovule and pollen

Answer 6

1. OVULE pr. female gphyte (egg)

2. POLLEN pr. male gphyte (sperm)

Question 7

How do pollens remove dependence on water when transportation of male gametes

Answer 7

Sporopollenin

Question 8

How do pollens remove the dependence on flagellated sperms when carrying the male gametes to meet female gametes

Answer 8

Pollen tube :(carries m gametes)

Question 9

5 key features shared by all seed plants

Answer 9

1. All have seeds for nourishing embryo
2. Alternation of generations : red GP incr SP
3. HETEROSPORy: 2 diff spore produced
4. Have OVULES
5. Have POLLEN