Questions with 100% Expert Graded
A+ Answers
1. A ____ is a haploid reproductive cell capable of developing into a new
individual without fusion - ANSWER Spore
2. _____ is the division of the nucleus and DNA that results in 4 genetically
different haploid cells - ANSWER Meiosis
3. ______ sporophyte produces haploid spores via meiosis. - ANSWER
Diploid
4. Define alternation of generations - ANSWER A life cycle in which there is
both a multicellular diploid form, the sporophyte, and a multicellular haploid
form, the gametophyte; characteristic of plants and some algae.
5. The word ______ is from old English actually means root, herb, or plant. -
ANSWER Wort
6. The female _______ produces an egg while the male plants _____ produces
sperm. - ANSWER Archegonia, antheridia
7. The green leafy portion of this plant is the haploid ____ and the brown
flower-like structure is the diploid ______ . - ANSWER Gametophyte,
sporophyte
, 8. Although lycophytes and ferns may look similar, lycophytes have leaves
known as _______ while ferns have leaves known as ________ . -
ANSWER microphylsl, megaphylls
9. Veins within leaves are actually _______ bundles. - ANSWER vascular
tissue
10.Flowers are actually modified ______ . - ANSWER leaves
11.What are key characteristics of pterophytes? - ANSWER vascular,found in
damp environments, true roots, complex leaves, etc..reproduce via spores
rather than flowers or seeds, sporophyte is dominant stage
12.What is this structure? Does it produce gametes or spores? Is it haploid or
diploid? - ANSWER Fern Gametophyte, gametes, Haploid
13.Explain golden brown dots you may find on the undersides of some fern
fronds. - ANSWER They are the reproductive spores of the fern.They are
sori where diploid sporangia are located.
14.What does the name gymnosperm mean? - ANSWER naked seed
15.What we generally refer to as a pine cone is actually a ______ . - ANSWER
female cone
16.How large are the haploid gametophytes in gymnosperms and angiosperms?
- ANSWER microscopic
17.Name a gymnosperm that is a 'living dinosaur'. - ANSWER Ginko biloba