The green color of tree leaves is due to green light energy reflected from _____________.

• Auxins

• Carbon Dioxide

• Chlorophyll

• Gibberellins

Of the following, which is NOT a characteristic of plants?

• Have cell walls

• Have roots

• Range in height

• Live only on land

As much as 90 percent of the oxygen in our atmosphere is the result of ____.

• Photoperiodism

• Respiration

• Thigmotropism

• Photosynthesis

Photosynthesis is the process in which plants use energy from light to produce ____.

• new cells

• food

• organelles

• none of the above

Respiration is the process in which organisms break down food to release ____.

• nutrients

• energy

• sugar

• oxygen

What is the female part of a flower called?

• pistil

• filament

• anther

• stamen

What is the male part of a flower called?

• pistil

• ovule

• style

• stamen

What three parts make up a seed?

• young plant, pollen, rhizome

• young plant, stored food, seed coat

• spores, stored water, young plant

• sporophyte, rhizoid, young plant

Water loss in a leaf is prevented by the

• upper epidermis

• cuticle

• lower epidermis

• vascular tissue

A stem that is soft, thin, and flexible is called a

• woody stem

• soft stem

• herbaceous stem

• growth ring