Honors Biology – Plants Exam Questions and Answers 100% Pass
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Course
Honors Biology
Institution
Honors Biology
Honors Biology – Plants Exam
Questions and Answers 100% Pass
Plants - Multicellular eukaryotes with cell walls made of cellulose. They
are photosynthetic, with chorophyll a & b as their pigments. They develop
from multicellular embryos. Most of the are autotrophs, but few can be
saprobes or ...
, Bryophytes (Nonvascular plants) - ✔✔low-growing in moist, shady areas;
lack vascular tissue (xylem & phloem) to conduct water and nutrients; must
obtain water by osmosis close to the ground; require water for reproduction
(sperm must swim)
Ex. mosses, hornworts, liverworts
Seedless/Vascular Plants - ✔✔evolved tissues for transport of materials so
that they can grow much larger than mosses; have tracheids: cells
connected end to end
Ex. ferns, club mosses, horsetails
Seeded/Vascular Plants - ✔✔seed-bearing structure is cone or flower;
seed contains embryo; pollen grain is ale gametophyte- no water for
transport
Ex. gymnosperms and angiosperms
Gymnosperm - ✔✔naked seed, cone bearers
Ex. gnetophytes, cycads, gingkoes, conifers
Angiosperms - ✔✔enclosed seed, flowering plants; flowers as reproductive
organs (attract polinators), fertilized eggs become seeds; ripened ovary
containing seed becomes fruit; seed passes through the digestive system
of animals and lands as waste on the ground.
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