Which of these is produced during photosynthesis?

• amino acid
• glucose
• glycerol
• carbon dioxide

As members of a food web, humans are considered to be

• producers
• consumers
• decomposes
• scavengers

Which of the animals from this food web is a herbivore?

• rabbit
• snake
• eagle
• roadrunner

Which diagram correctly shows the flow of energy in a food chain?

• decomposer-> consumer-> producer
• Producer-> consumer->Decomposer
• Consumer->Producer->Decomposer
• Producer->Decomposer->Consumer

What do plants take from the air that helps them make food?

• oxygen
• nitrogen
• carbon dioxide
• hydrogen peroxide

Certain flowers will open for twelve hours and then close. Which stimulus do the flowers respond to when they open and then when they close for that time period?

• light levels
• moon phases
• seasonal temperatures
• carbon dioxide levels

Which external stimulus causes a plant to bend toward it?

• a light source
• a magnetic field
• a spray of water
• a source of wind

How do the sprouts of seeds buried in complete dark in the soil find their way to the surface of the soil?

• They grow toward light
• They grow toward surface warmth
• They grow opposite the direction of the bedrock
• They grow opposite the direction of the pull of gravity

Which environmental stimulus causes leaves on certain trees to change color in autumn?

• loss of nutrients in the forest soil
• lower air humidity in the forest
• changes to amount of light
• competition for survival

In which direction do the roots of plants grow?

• in the direction of moisture only
• in the direction of the pull of gravity only
• in the direction of water and the pull of gravity
• in the direction of water and away from the pull of gravity