CH 11

Question 1

7 general characteristics of Algae

Answer 1

1. eukaryotic
2. unicellular, multicellular, colonial
3. thin and rigid cell wall
4. most are non-pathogenic
5. photosynthetic
6. contains photosynthetic pigments
7. motile by flagella and substratum

Question 2

Habitat of algae (3)

Answer 2

1. light and moisture
2. freshwater, saltwater, and soil
3. Littoral zone (shore areas)

Question 3

Composition of cell wall (8)

Answer 3

cellulose
mannan
galactans
alginic acid
chitin
xylan
CaCO3
flucoidin

Question 4

a unicellular algae and is a model system for photosynthesis, flagellar movement, phototaxis, and cell-cell communication

Answer 4

Chlamydomonas