1. Vessels
2. Fibers
3. Transfusion tissue
4. Tracheids
Tracheids
1. Antheridia
2. Archegonia
3. Motile male gametes
4. All of these
All of these
1. Sequoia
2. Ginko biloba
3. Taxodium
4. Pinus
Sequoia
1. Archegonia
2. Lack of vascular tissues
3. Presence of swimming antherozoids
4. Independent gametophytes
Lack of vascular tissues
1. Pinus
2. Ginko biloba
3. Cycas
4. Zamia
Ginko biloba
1. Great economic importance
2. Great ecological importance
3. Importance for the study of heredity
4. Importance for the study of physiology
Great ecological importance
1. Seeds are not produced in them
2. They always have vascular system
3. They are divided into thallophyta, bryophyta and pteridophyta
4. They do not possess flower
They always have vascular system
1. They synthesize carbohydrate and release oxygen in air
2. They digest carbohydrate into glucose
3. They absorb food from substratum
4. They store reserve food as glycogen
They synthesize carbohydrate and release oxygen in air
1. Bryophyte
2. Alga
3. Fungus
4. Aquatic fern
Aquatic fern
1. By adventitious branches
2. By gammae
3. By death and decay of older portion of thallus
4. By protonema
By death and decay of older portion of thallus