GYMNOSPERMS. What are gymnosperms? NAKED SEEDS NEEDLIKE OR SCALELIKE LEAVES.

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Presentation transcript:

GYMNOSPERMS

What are gymnosperms?

NAKED SEEDS

NEEDLIKE OR SCALELIKE LEAVES

What characteristic do gymnosperms share? 1. They live only in hot, dry climates. 2. They produce naked seeds. 3. They are trees. 4. They grow cones.

What characteristic do gymnosperms share? 2. They produce naked seeds.

CYCADS

GINKO

GNETOPHYTES

CONFIERS

The most diverse group of gymnosperms are the 1. cycads. 2. ginkgoes. 3. gnetophytes. 4. conifers.

The most diverse group of gymnosperms are the 4. conifers.

FOSSILIZED POLLEN PINE TREE POLLEN

)

Plants that produce seeds … 1. do not need cuticles on their leaves. 2. transport the seeds in vascular tissue. 3. can live in dry environments. 4. do not need vascular tissue.

Plants that produce seeds … 3. can live in dry environments.