BIOLOGY: CONCEPTS AND INVESTIGATIONS,
5th Edition
ISBN: 9781266382307
Author: Hoefnagels
Publisher: MCG
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Chapter 19.6, Problem 2MC
What are some alternative hypotheses for why the researchers failed to recover any DNA from sediments that were more than 400,000 years old? How would you test your hypotheses?
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Green Algae, as a group, is actually paraphyletic with one subgroup more closely related to higher plants than the other. Which of the following green algae groups is more closely related to higher plants:
a. Charophyceans
b. Chlorophyceans
c. Rhodophyta
d. Xanthophyceans
A single-celled green algal genus that is motile with 2 flagella, has a cup shaped chloroplast, and an eyespot:
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b. Chlamydomonas
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d. Codium
A[n] ___ is produced by members of the Myxomycota when there is a lack of moisture.
a. plasmodiocarp
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Chapter 19 Solutions
BIOLOGY: CONCEPTS AND INVESTIGATIONS,
Ch. 19.1 - Prob. 1MCCh. 19.1 - Prob. 2MCCh. 19.1 - How does vascular tissue adapt plants to land?Ch. 19.1 - Describe the reproductive adaptations of plants.Ch. 19.2 - Describe the three main groups of bryophytes.Ch. 19.2 - Prob. 2MCCh. 19.3 - Describe the four groups of seedless vascular...Ch. 19.3 - Prob. 2MCCh. 19.3 - Prob. 3MCCh. 19.4 - What are the characteristics of gymnosperms?
Ch. 19.4 - What are the four groups of gymnosperms?Ch. 19.4 - Prob. 3MCCh. 19.4 - What happens during and after pollination in...Ch. 19.5 - Prob. 1MCCh. 19.5 - Prob. 2MCCh. 19.5 - Prob. 3MCCh. 19.5 - Prob. 4MCCh. 19.6 - Prob. 1MCCh. 19.6 - What are some alternative hypotheses for why the...Ch. 19 - Which of the following is NOT a similarity between...Ch. 19 - Prob. 2MCQCh. 19 - What conditions did plants face when they moved to...Ch. 19 - Prob. 4MCQCh. 19 - Prob. 5MCQCh. 19 - Which adaptation to land is present in the most...Ch. 19 - Prob. 7MCQCh. 19 - Reproduction in a pine tree is associated with a....Ch. 19 - In comparing the life cycle of an angiosperm to...Ch. 19 - What plant group is correctly matched with an...Ch. 19 - What characteristics do all land plants have in...Ch. 19 - Prob. 2WIOCh. 19 - How are terrestrial habitats different from...Ch. 19 - Prob. 4WIOCh. 19 - List the characteristics that distinguish the four...Ch. 19 - Prob. 6WIOCh. 19 - A fern plant can produce as many as 50 million...Ch. 19 - How do the adaptations of gymnosperms and...Ch. 19 - Prob. 9WIOCh. 19 - Describe how the petals, ovary, and ovule of...Ch. 19 - The immature fruit of the opium poppy produces...Ch. 19 - Scientists have studied plant populations that...Ch. 19 - Prob. 13WIOCh. 19 - Prob. 14WIOCh. 19 - Prob. 15WIOCh. 19 - Compare and contrast the life cycles of the four...Ch. 19 - Prob. 17WIOCh. 19 - Prob. 18WIOCh. 19 - Prob. 19WIOCh. 19 - What are the pros and cons of pursuing biofuels as...Ch. 19 - Prob. 1PITCh. 19 - Prob. 2PITCh. 19 - Prob. 3PITCh. 19 - Prob. 4PIT
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- Which of the following is not true about the life-cycle of Fucus. a. 8 eggs per oogonium b. 64 sperm per antheridium c. eggs are flagellated d. sperm are flagellatedarrow_forwardGreen Algae, as a group, is actually paraphyletic with one subgroup more closely related to higher plants than the other. Which of the following green algae groups is more closely related to higher plants: a. Charophyceans b. Chlorophyceans c. Rhodophyta d. Xanthophyceansarrow_forwardCertain toxic terpenoids in this group is thought to deter herbivory but may also have some anti-tumor activity? a. green algae b. brown algae c. red algae d. golden algae e. none of thesearrow_forward
- In the cellular slime molds, the most common phase is: a. plasmodium b. pseudoplasmodial c. single cells as myxamoebae d. moundingarrow_forwardWhich of the following descriptive terms does not describe Hydrodictyon? a. colonial b. nonmotile c. 1 large reticulated chloroplast in each cell d. all of these describe Hydrodictyonarrow_forwardWhich of the following does not apply to Chara? a. "stoneworts" b. isogamous c. calcified walls d. apical growth with an axis and branchesarrow_forward
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