Photosynthesis and Roles of Organisms

A plant depends on the sun for energy. The plant turns the suns energy into food through a process called -

• cooking

• radiation

• photosynthesis

• mitochondria

Carbon dioxide enters a plant through its ___________.

• stem

• roots

• chloroplast

• stomata

Plants breathe out ___________ which humans and animals breathe in.

• carbon dioxide

• oxygen

• nitrogen

• hydrogen

_____________ factors are living things in an ecosystem like grass.

• Biotic

• Abiotic

___________ factors are nonliving things in an ecosystem like temperature.

• Biotic

• Abiotic

_____________ are producers because they make their own food using energy from the sun.

• Animals

• Humans

• Plants

• Decomposers

What are the products of photosynthesis (what is made)?

• Glucose and Chlorophyll

• Glucose and Oxygen

• Water and Light

• Carbon dioxide and Water

What are the 3 key ingredients needed for photosynthesis

• glucose, oxygen, carbon dioxide

• carbon dioxide, water, glucose

• water, soil, sunlight

• sunlight, water, carbon dioxide

Why are plants called producers?

• They make carbon dioxide

• They decompose

• They make their own food

• They are omnivores

All animals are...

• producers

• consumers

• carnivores

• omnivores