pteridophytes

What are Pteridophytes

Pteridophytes are another phylum of plants.

Are they vascular plants?

Yes they are vascular plants, (they have xylem and pholem tissues.)

How do pteridophytes reproduce?

They reduce by releasing spores , not seeds.

What does this phylum include?

They include the highly diverse true ferns and other graceful primarily forest living plants (horsetails, club modes.)

How many species are there of pteridophytes?

11,000, making them the most diverse land plants after the flowering plants. (Angiosperms.)

Are pteridophytes similar to seed plants?

Yes, pteridophytes may represent the closest living sister group to the seed plants (angiosperms, the conifers, and a smaller assortment of other plants.)

what do pteridophytes have ?

Pteridophytes have leaves (known as fronds.) , roots, and sometimes true stems.

How big can fronds get in the largest species of ferns?

They can reach up to 6 meters in length.

How big can tree ferns get?

Can grow up to a height of 20-30meters.

when did pteridophytes first appear on earth?

350-400 million years ago.

What are they often cancelled?

They are often called “simple vascular seedless plants.” Simple meaning they are not as complex as other plants.

What does “vascular” mean?

They have tubes to carry water, nutrients , and sugar. The water travels from the ground, via the roots, and then to the leaves, and sugars travel in reverse, from the leaves where photosynthesis takes place, to wherever their needed in the plant.

What does seedless mean,

They produce and use spores to grow.

what are the main features of oteridophytes?

They have deep roots, grow quite tall, and cal live further away from a water source and still survive.