Grade 5 Review

What do plants need for photosynthesis?

• Oxygen, sugar, heat

• Water, sunlight, carbon dioxide

• Soil, oxygen, water

• Glucose, water, light

What structure in the plant traps sunlight?

• Roots

• Stomata

• Chloroplasts

• Xylem

Which of the following is an endothermic animal?

• Snake

• Frog

• Lizard

• Bird

Which group includes only consumers?

• Grass, trees, algae

• Mushroom, bacteria, worm

• Rabbit, lion, eagle

• Water, sunlight, soil

What is the main source of mass in plants?

• Sunlight

• Soil minerals

• Water and carbon dioxide

• Fertilizer

Which process returns nutrients to the soil?

• Photosynthesis

• Respiration

• Decomposition

• Digestion

A food chain always starts with:

• A carnivore

• A producer

• A consumer

• A decomposer

Which of the following best describes ecological succession?

• A food web that repeats

• Repeating plant growth

• Gradual changes in ecosystems over time

• Animal migration patterns

Energy from food is mainly used by animals to:

• Make oxygen

• Photosynthesize

• Support life processes and movement

• Absorb sunlight

Why is biodiversity important in food webs?

• It reduces energy

• It prevents producers from growing

• It makes ecosystems more stable

• It creates pollution