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Ferns and friendspowpt2013cloutier
- 1. FERNS and Friends Botanical name Pteridophyta over 12,000 species by Annie Cloutier Science Department Sandwich High School Massachusetts 2013 copyright acloutier 2013
- 2. Plants have evolved from Earth’s aquatic environments and moved onto lands. • Ferns developed true vascular systems • the xylem and phloem conduct water and nutrients from tiny hair- like roots attached to the rhizomes, bringing water to other parts of the plant copyright acloutier 2013
- 3. Ferns make spores not seeds • A spore is different than a seed • Spore are often found underneath a fern’s fronds copyright acloutier 2013
- 4. Spores are released when they are mature and fully developed copyright acloutier 2013
- 5. Gametophytes large heart shaped structures • Male antheridia make sperm to unify with the archegonia, the female egg • This fern structure is where the haploid (n) alternate generations are made copyright acloutier 2013
- 6. Prothallus is the gametophytes for ferns copyright acloutier 2013
- 7. Damp moist environments are necessary for most ferns • Water • Moist soil with humus • Waxy cuticle protect spores till they are ready to be dispersed copyright acloutier 2013
- 8. Rhizomes are horizontal stems not true roots copyright acloutier 2013
- 9. Ferns can grow up to 85 feet (25 meters) ! And are some of the earliest plants ever to live on Earth copyright acloutier 2013
- 10. Ferns are good for the environment floating ferns can suffocate mosquito lava copyright acloutier 2013
- 11. Fern Fossils are often found in Pennsylvania and Rhode Island • 375 million year old fern fossils can be found in the states of Pennsylvania • Coal and fossil fuels come from ancient fern and bog deposits. • Carboniferous period is referred to as the AGE of FERNS copyright acloutier 2013
- 12. Benefits of ferns they are natural air filters • One Boston fern can remove 1,800 micrograms of formaldehyde from house hold carpeting in a single hour copyright acloutier 2013
- 13. Fiddleheads & Aerial ferns copyright acloutier 2013
- 14. In the Spring time fiddleheads appear, see if you can find some outside …where should you look for them ? (grocery stores sell them) The end… copyright acloutier 2013