Science Chapter 4 Part 1

Which is one characteristic that scientists use to classify plants?

• chloroplasts

• photosynthesis

• reproduction

• chlorophyll

Scientists classify insects, spiders, and crabs as

• vertebrates

• reptiles

• arthropods

• mollusks

Plants are green because they contain

• sugar

• oxygen

• nutrients

• chlorophyll

Which is a waste product of photosynthesis?

• oxygen

• carbon dioxide

• sugar

• sunlight

What is the function of pistils of a flower?

• make pollen

• make sperm cells

• make egg cells

• protect flower buds

What is the function of stamens of a flower?

• make pollen

• make sperm cells

• make egg cells

• protect flower buds

What is the function of sepals of a flower?

• make pollen

• make sperm cells

• make egg cells

• protect flower buds

Plants with tubelike structures are called

• vascular

• nonvascular

What is the purpose of a bulb?

• The bulb is a stem from which new plants can grow.

• The bulb is a type of flower that attracts insects.

• The bulb is a fruit that protects seeds.

• The bulb sticks to the legs of insects so it can be carried.

To ___________________ is to arrange or sort objects or living things according to their properties or characteristics.

• classify

• protect

• compare

• sequence