QUESTIONS WITH SOLUTIONS GRADED A+
●● How do plants obtain their energy?
Answer: through the process of photosynthesis, because they are
autotrophs.
●● What type of organisms are plants most closely related to?
Answer: Green Algae (charophytes) because they share similar features
like cell walls.
●● What domain and kingdom do plants belong to?
Answer: Domain: Eukarya
Kingdom: Plantae
●● What advantages were there for plants to invade the land?
Answer: They had increased access to sunlight, readily available carbon
dioxide, and new forms of nutrient availbility.
●● What were some difficulties plants encountered when they made the
move to the land?
Answer: They had less support such as gravity, desiccation-removal of
moisture, obtaining nutrients, and reproduction.
, ●● What solutions did plants devise for these difficulties?
Answer: Plants adapted by, forming a waxy cuticle to prevent water
loss/desiccation, vascular tissue to transport food and water, lignin to
stiffen cell walls, pollen and seed formation.
●● List the importance when moving from past to present in geological
record
Answer: 1. Seedless nonvascular plants
2. Seedless vascular plants
3. gymnosperms
4. angiosperms
●● What is economic importance of moss?
Answer: horticulture and gardening, fuel source, medical uses.
●● What is the ecological importance of moss?
Answer: water management, nutrient cycling, air/water quality, etc.
●● What is the importance of vascular, seedless plants to earth's history,
climate, and ecology?
Answer: History-First large land plants, Climate- global cooling, and
Ecology- habitat and nutrient cycling.