Plant study Guide
20.1
1. What is the function of a cuticle?
2. What is the function of stomata?
3. What substance allows plants to stand up straight?
4. Plant cell walls are made of _____.
20.2
1. Bryophytes are ___ plants. Three examples are ___, ___, and ___.
2. How does their lack of a vascular system affect where Bryophytes can grow?
3. ___ ___ and ___ are vascular plants which do not produce seeds.
4. Ferns grow via underground stems called ___.
5. Fern leaves are called ____.
6. American colonists used ___ to scrub their pots because of the presence of ____ in their cell walls.
7. ____ occurs when pollen meets the female plant part o the same plant species.
8. ___ are seed plants whose seeds are not enclosed in a fruit.
9. ___ are seed plants whose seeds are enclosed in a fruit.
10. Gingko biloba is the only species of its phylum.
11. ___ look like palm trees with large cones.
12. ___ are the most diverse and common gymnosperms on Earth today. Their seeds are in cones.
13. Angiosperms are ___ plants.
20.3
1. A ___ is a seed leaf.
2. ___ are angiosperms with one seed leaf, parallel venation, and flower parts in 3s.
3. ___ are angiosperms with tow seed leaves, network venation, and flower parts in 4s or 5s
4. Annuals have a life span of ___ year.
5. Biennials have a life cycle of ___ years.
6. ___ have a life cycle of more than two years.
7. ___ is a fibrous material made up of dead cells that are part of the vascular system. It contains high
concentrations of lignin and cellulose.
8. ___ plants are plants that do not produce wood.
21.1
1. ___ carries water and nutrients up the plant.
2. ___ carries products of photosynthesis products down from the leaves.