Plants: Seedless and Seed

Question 1

4 main groups of plants

Answer 1

Bryophytes, Pteridophytes, Gymnosperms, and Angiosperms

Question 2

Evidence of evolutionary origins of plants from charophyte algae

Answer 2

1. rosettes of cellulose producing proteins in cell membrane
2. Peroxisomes containing antiphotorespiration enzymes
3. Similar rRNA
4. Similar structure of flagellated sperm
5. Formation of phragmoplast

Question 3

Plant characteristics

Answer 3

1. multicellular and eukaryotic
2. cell wall made of cellulose
3. chloroplasts of double membranes with chlorophyll a and b

Question 4

apical meristem

Answer 4

localized region at a growing tip of a plant where one or more cells divide repeatedly, enabling plant growth

Question 5

alternation of generations

Answer 5

Life cycle in which there is both multicellular diploid form (sporophyte) and multicellular haploid form (gametophyte)