BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 16, Problem 6MCQ
Why do many ferns require a shady, moist habitat?
| a | They lack vascular tissue. |
| b. | They use swimming sperm for sexual reproduction. |
| c. | They lack a water-retaining cuticle layer. |
| d | The production of spores within the sporangium requires moisture. |
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Which characteristic differentiates an angiosperm from a fern?
A.
the alternation of generations
B.
the presence of cotyledons
C.
the presence of vascular tissue
D.
the alternation of sporophytes
The structure of the fern sporangium shown promotes spore dispersal by a ‘catapult’ mechanism. What is the driving force involved?
A.
Increased pressure within the sporangium
B.
Opening of the sporangium mouth
C.
Elastic rebound
D.
Water evaporation from the annulus
Use the fern life cycle to answer the following questions in detail and explain:
a. Does the heart-shaped prothallus produce gametes or spores?
b. Does the zygote grow into a sporophyte or a gametophyte?
Chapter 16 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 16.1 - Prob. 1MCCh. 16.1 - Prob. 2MCCh. 16.1 - Prob. 3MCCh. 16.1 - Prob. 4MCCh. 16.1 - Prob. 5MCCh. 16.2 - Prob. 1MCCh. 16.2 - Prob. 2MCCh. 16.2 - Prob. 3MCCh. 16.3 - Describe the four groups of seedless vascular...Ch. 16.3 - Prob. 2MC
Ch. 16.3 - Prob. 3MCCh. 16.4 - Prob. 1MCCh. 16.4 - Prob. 2MCCh. 16.4 - Prob. 3MCCh. 16.4 - What happens during and after pollination in...Ch. 16.5 - Prob. 1MCCh. 16.5 - Prob. 2MCCh. 16.5 - Prob. 3MCCh. 16.5 - Prob. 4MCCh. 16 - Prob. 1MCQCh. 16 - Prob. 2MCQCh. 16 - Prob. 3MCQCh. 16 - Prob. 4MCQCh. 16 - Prob. 5MCQCh. 16 - Why do many ferns require a shady, moist habitat?...Ch. 16 - Prob. 7MCQCh. 16 - Prob. 8MCQCh. 16 - Prob. 9MCQCh. 16 - Prob. 10MCQCh. 16 - Prob. 1WIOCh. 16 - Prob. 2WIOCh. 16 - Prob. 3WIOCh. 16 - Prob. 4WIOCh. 16 - Prob. 5WIOCh. 16 - Prob. 6WIOCh. 16 - Prob. 7WIOCh. 16 - How do angiosperms differ from gymnosperms? How...Ch. 16 - The immature fruit of the opium poppy produces...Ch. 16 - Prob. 10WIOCh. 16 - Prob. 11WIOCh. 16 - Compare and contrast the life cycles of the four...Ch. 16 - Prob. 13WIOCh. 16 - Prob. 1SLCh. 16 - Review the relationship between natural selection...Ch. 16 - Prob. 2PITCh. 16 - Prob. 3PITCh. 16 - Describe the relationship between pollen and...
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- Which of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.arrow_forwardWhat adaptation do seed plants have in addition to the seed that is not found in seedless plants? a. gametophytes b. vascular tissue c. pollen d. chlorophyllarrow_forwardGive three ecological importance of ferns. a.___________________________________________________________ b__________________________________________________________ c__________________________________________________________arrow_forward
- One characteristic that separates ferns from complex vascular plants is that ferns do not havea. a vascular system.b. chloroplasts.c. alternation of generations in their life cycle.d. seeds.arrow_forwardWhy are ferns able to grow taller than mosses?arrow_forwardThe following structures are found on the underside of fern leaves and contain sporangia: a. sori b. rhizomes c. megaphylls d. microphyllsarrow_forward
- Which of the following structures is not found in bryophytes? a. a cellulose cell wall b. chloroplast c. sporangium d. rootarrow_forwardWhat is the role of the gametophyte in ferns?arrow_forwardHow do the internal structures of the plant shown compare to a cactus? A. They both have ovaries for protection. B. Photosynthesis occurs within the phloem of both plants. C. They both have thorns for reproduction. D. They are both able to transport water in many directions.arrow_forward
- How would we be affected if all ferns were to become extinct in a few years?arrow_forwardSorus What is the comparison of the process of spore production of ferns to that of mosses? What shapes may sori take? Describe how the annulus causes the sporangium to openarrow_forwardwhat is the sporangial development characteristic of the fern.arrow_forward
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