PLANTS1

PLANTS1 - PLANTS Plants have adapted to a range of...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
PLANTS Plants have adapted to a range of environments over the course of their evolution. As plants grow, their cells become specialized for particular functions. The patterns of specialized tissue vary in each plant organs-the root, the stem, and the leaf. They also vary depending on the plant's stage of growth and taxonomic group. Common Factors Uncommon Factors Nonvascular Plants : Bryophytes – nonvascular, lacking xylem & phloem; liverworts, hornworts, mosses; about 475 mya. Vascular Plants: Seedless Seedless vascular plants; ferns, and club moss; about 420 mya. Seed making; about 360 mya Gymnosperms – A naked seed plant. Its seed is said to be naked because it is not enclosed by fruit. Angiosperms – A flowering plant, which forms seeds inside a protective chamber called an ovary. Discuss Flowering Plants - Angiosperms are by far the most diverse group of plants known (over 275,000 named species and thought to be at least that
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/06/2011 for the course BIO 15 taught by Professor ?? during the Winter '09 term at UCLA.

Page1 / 4

PLANTS1 - PLANTS Plants have adapted to a range of...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online