Exam (elaborations)
BIO 111 Exam #3 Questions And Accurate Solutions
- Course
- Institution
BIO 111 Exam #3 Questions And Accurate Solutions...
[Show more]
Content preview
BIO 111 Exam #3 Questions And Accurate Solutionswhat do land plants evolve from? -Answer green algae
examples of green algae -Answer codium, ulva lactuca, caulerpa, spirogyra
what pigments are present in the green algae? -Answer chlorophyll a & b, B carotene
what type of group does the green algae form with plants? -Answer paraphyletic group
importance of land plants (3) -Answer produces a lot of O2, primary producers, and
holds soil
how long ago did plants come about? - Answer 465 million years ago
what was terrestrial Earth like before plants? - Answer very empty, many unicellular
organisms
what were the first land plants like? - Answer moss
Examples of nonvascular plants - Answer mosses, liverworts, hornworts
key adaptations of nonvascular plants (7) - Answer cuticle, stoma/stomata, flavonoids,
life cycle changes, dry resistant spores, gametes produced in complex structures, and
retention of embryo
cuticle - Answer prevents plants from drying out
, stoma/stomata - Answer opening in "skin" that controls gas exchange (carbon dioxide)
flavonoids - Answer UV absorbing compounds that prevent DNA damage
the nonvascular plant life cycle is mostly (haploid/diploid) - Answer haploid
(gametophyte)
gametophyte - Answer haploid (n), produce gametes
sporophyte - Answer diploid (2n), formed by fusion of gametes, produces spores
where are spores produced? - Answer sporangium
modifications of spores & sporangium (2) - Answers coated to reduce desiccation and
can disperse
Where are gametes produced? - Answers gametangium
what are the female & male gametangia? - Answers female- archegonia
male- antheridia
limitations of land plants (2) - Answers rely heavily on water and relatively small
adaptations of plants for terrestrialization (7) - Answers dehydration, water uptake, gas
exchange, sunlight, structural support, nutrient acquisition, reproduction
examples of seedless vascular plants- Answer ferns, club moss, horsetail
carboniferous period- Answer 300-350 million years ago
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Stetson. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77858 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now