Lesson 3- Plant Diversity

Question 1

What 3 common traits do charophytes have with plants?

Answer 1

1. Rings of cellulose-synthesizing proteins
2. flagellated sperm
3. Formation of a phragmoplast

Question 2

What is a phragmoplast?

*only forms in plants and some charpphytes

Answer 2

a cell structure that forms in cytokinesis to guide assembly of the cell plate across the midline of the dividing cell

Question 3

What is a charophyte?

Answer 3

green algae

closest relative to plants, evidence of common ancestor

the only type of algae that have three traits in common with plants

Question 4

characterisitcs of members of kingdom Plantae

3 definers

Answer 4

1. are embryophytes (plants with embryos)
2. form symbiotic relationships with fungi (form filament through soil and transfer nutrients to their symbiotic plant partner)
3. Algae most close to plants is unicellular species and small colonial species