Plant Ecology (Flora)

What is the primary role of plants in an ecosystem?

• To consume other organisms

• To provide shelter for animals

• To produce their own food and support other trophic levels

• To decompose organic matter

Which theory explains the movement of water through plants?

• Osmosis Theory

• Evaporation Theory

• Cohesion Tension Theory

• Photosynthesis Theory

What is transpiration in plants?

• The absorption of sunlight by leaves

• The process of photosynthesis

• The movement of nutrients through the soil

• The evaporation of water from plant surfaces

How do desert plants reduce water loss?

• By having large leaves

• By growing taller

• By having a thick, waxy covering

• By increasing transpiration rates

What adaptation helps desert plants absorb maximum rainfall?

• Large flowers

• Thick bark

• Shallow, widespread roots

• Deep, narrow roots