GCU Bio 182 Exam 2 Questions With All
Correct Answers Updated
1. Green Algae called charophytes are the closest relatives of land plants.
2. Land plants • Rings of cellulose-synthesizing complexes
share four
key traits • Peroxisome enzymes
with only • Structure of flagellated sperm
charophytes
• Formation of a phragmoplast
3. Sporopollenin In charophytes a layer of a durable polymer called prevents
exposed zygotes from drying out
4. Sporopollenin is also found in plant spore walls
5. Four key traits • Alternation of generations and multicellular, dependent embryos
appear in near-
ly all land • Walled spores produced in sporangia
plants but are • Multicellular gametangia
absent in the
• Apical meristems
charophytes
6. Alternation of
Plants alternate between two multicellular stages, a reproductive cycle call
Generations
7. Gametophyte The is haploid and produces haploid gametes by mitosis
8. Placental Nutrients are transferred from parent to embryo through
trans- fer cells
9. Embryophytes Land plants are called because of the dependency of the
embryo on the parent
10. Sporangia The sporophyte produces spores in organs called
11. Sporocytes Diploid cells called undergo meiosis to generate haploid spor
12. Sporopollenin
, GCU Bio 182 Exam 2 Questions With All
Correct Answers Updated
Spore walls contain , which makes them resistant to
harsh environments
13. Gametangia Gametes are produced within organs called
14. Archegonia Female gametangia, called , produce eggs and are the site of
fertilization
15. Antheridia Male gametangia, called , produce and release sperm
16. Apical meristems Plants sustain continual growth in their
17. Cuticle A waxy covering of the epidermis
18. Vascular tissue Land plants can be informally grouped based on the presence or absenc
of
19. Vascular plants Most plants have vascular tissue; these constitute the
20. Bryophytes Nonvascular plants are commonly called
21. Bryophytes are not a monophyletic group; their relationships to each
other and to vascular plants is unresolved
22. Lycophytes Club mosses and their relatives
23. Seed A is an embryo and nutrients surrounded by a protective coat
24. Gymnosperms The "naked seed" plants, including the conifers
25. Angiosperms The flowering plants
26. Pterophytes Ferns and their relatives
27. Bryophytes Refers to all nonvascular plants
, GCU Bio 182 Exam 2 Questions With All
Correct Answers Updated
28. Bryophyta Refers only to the phylum of mosses
29. Protonema A spore germinates into a gametophyte composed of a and
gamete-producing gametophore.
30. Rhizoids Anchor gametophytes to substrate
31. Capsule A sporangium, also called a , which discharges spores
32. Gametophore The mature gamete-producing structure of a moss gametophyte.
33. Peristome The upper part of the moss capsule (sporangium) often specialized for
gradual
spore discharage
34. Seta Stalk of a moss capsule
35. Foot Anchors the sporophyte to gametophyte and absorbs minerals and
nutrients from it.
36. Stomata Hornwort and moss sporophytes have for gas exchange;
liverworts do not
37. Peat Sphagnum forms extensive deposits of partially decayed organic
material known as
38. Peat can be used as a source of fuel
39. Sphagnum Overharvesting of and/or a drop in water level in peatlands
could release stored CO2 to the atmosphere.
40. Vascular tissue allowed these plants to grow tall
41. Seedless vascu- plants have flagellated sperm and are usually
restricted
lar to moist environments
Correct Answers Updated
1. Green Algae called charophytes are the closest relatives of land plants.
2. Land plants • Rings of cellulose-synthesizing complexes
share four
key traits • Peroxisome enzymes
with only • Structure of flagellated sperm
charophytes
• Formation of a phragmoplast
3. Sporopollenin In charophytes a layer of a durable polymer called prevents
exposed zygotes from drying out
4. Sporopollenin is also found in plant spore walls
5. Four key traits • Alternation of generations and multicellular, dependent embryos
appear in near-
ly all land • Walled spores produced in sporangia
plants but are • Multicellular gametangia
absent in the
• Apical meristems
charophytes
6. Alternation of
Plants alternate between two multicellular stages, a reproductive cycle call
Generations
7. Gametophyte The is haploid and produces haploid gametes by mitosis
8. Placental Nutrients are transferred from parent to embryo through
trans- fer cells
9. Embryophytes Land plants are called because of the dependency of the
embryo on the parent
10. Sporangia The sporophyte produces spores in organs called
11. Sporocytes Diploid cells called undergo meiosis to generate haploid spor
12. Sporopollenin
, GCU Bio 182 Exam 2 Questions With All
Correct Answers Updated
Spore walls contain , which makes them resistant to
harsh environments
13. Gametangia Gametes are produced within organs called
14. Archegonia Female gametangia, called , produce eggs and are the site of
fertilization
15. Antheridia Male gametangia, called , produce and release sperm
16. Apical meristems Plants sustain continual growth in their
17. Cuticle A waxy covering of the epidermis
18. Vascular tissue Land plants can be informally grouped based on the presence or absenc
of
19. Vascular plants Most plants have vascular tissue; these constitute the
20. Bryophytes Nonvascular plants are commonly called
21. Bryophytes are not a monophyletic group; their relationships to each
other and to vascular plants is unresolved
22. Lycophytes Club mosses and their relatives
23. Seed A is an embryo and nutrients surrounded by a protective coat
24. Gymnosperms The "naked seed" plants, including the conifers
25. Angiosperms The flowering plants
26. Pterophytes Ferns and their relatives
27. Bryophytes Refers to all nonvascular plants
, GCU Bio 182 Exam 2 Questions With All
Correct Answers Updated
28. Bryophyta Refers only to the phylum of mosses
29. Protonema A spore germinates into a gametophyte composed of a and
gamete-producing gametophore.
30. Rhizoids Anchor gametophytes to substrate
31. Capsule A sporangium, also called a , which discharges spores
32. Gametophore The mature gamete-producing structure of a moss gametophyte.
33. Peristome The upper part of the moss capsule (sporangium) often specialized for
gradual
spore discharage
34. Seta Stalk of a moss capsule
35. Foot Anchors the sporophyte to gametophyte and absorbs minerals and
nutrients from it.
36. Stomata Hornwort and moss sporophytes have for gas exchange;
liverworts do not
37. Peat Sphagnum forms extensive deposits of partially decayed organic
material known as
38. Peat can be used as a source of fuel
39. Sphagnum Overharvesting of and/or a drop in water level in peatlands
could release stored CO2 to the atmosphere.
40. Vascular tissue allowed these plants to grow tall
41. Seedless vascu- plants have flagellated sperm and are usually
restricted
lar to moist environments
