X hits on this document

PDF document

Vascular Plants - a quick review - page 2 / 12

32 views

0 shares

0 downloads

0 comments

2 / 12

sporangium

zygote

sporangium

gametophyte

spores

gametophyte

spores

Why were the seed-free plants groupedtogether?

Why were the seed-free plants groupedtogether?

Spores germinate and develop into gametophytes that exist independently of the spore-producing plants. The gametophytes (haploid, n) tend to be inconspicuous and short-lived.

Like all plants, seed-free plants produce two kinds of gametes in their gametophytes: sperm and egg that unite to form a zygote (2n or diploid) via fertilization

Vascular Plants - a quick review

Vascular Plants - a quick review

sporophyte

sporangium

zygote

Key to Ferns and Fern Allies of Wisconsin List of Pteridophytes of Wisconsin Glossary of Fern Terminology

gametophyte

spores

also:

Michigan Online Flora

Vascular Plants - a quick review

Why were the seed-free plants groupedtogether?

The sporophyte (2n) develops from the zygote and is more conspicuous, usually perennial and lives for an indefinite period

Wisconsin Seed-free Plants

The best website to identify and see images of Wisconsins seed- free plants is Gary Fewlessat UW-Green Bay; links provided below

2

Document info
Document views32
Page views32
Page last viewedFri Dec 09 13:45:29 UTC 2016
Pages12
Paragraphs230
Words1800

Comments