Multiple Choice
Gametangia are __________.
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28. Plants
Land Plants
Back28. Plants
Land Plants
- Multiple ChoiceIn charophytes, __________ protect(s) zygotes from desiccation.1239views
- Multiple ChoiceWhich is a key difference between alternation of generations in plants and sexual reproduction in nonplant organisms?2136views
- Multiple ChoiceWhich term is most nearly synonymous with land plants?1003views
- Multiple ChoiceA major division in plant systematics is based on whether a particular species has __________.896views
- Multiple ChoiceWhat structures allow plants to readily take up carbon dioxide from the atmosphere?1148views
- Multiple ChoiceHeterosporous plants produce __________.1430views
- Multiple ChoiceFerns and mosses are limited mostly to moist environments because __________.1614views
- Textbook Question
Three of the following are evidence that charophytes are the closest algal relatives of plants. Select the exception.
a. Similar sperm structure
b. The presence of chloroplasts
c. Similarities in cell wall formation during cell division
d. Genetic similarities in chloroplasts
1369views - Textbook QuestionIn this abbreviated diagram, identify the four major plant groups and the key terrestrial adaptation associated with each of the three major branch points.1119views
- Textbook Question
What important role does lignin play in vascular plants?
a. It is the major component of the cuticle, which prevents plants from drying out.
b. It forms the outer layer of pollen grains.
c. It forms the tough, rigid cell walls of water-conducting cells.
d. It nourishes the embryo in seed plants.
850views - Textbook Question
How is energy transferred among antenna pigment molecules?
a. By heat
b. By redox reactions
c. By fluorescence
d. By resonance
915views - Textbook Question
Which of the following characteristics of plants is absent in their closest relatives, the charophyte algae?
a. Chlorophyll b
b. Cellulose in cell walls
c. Sexual reproduction
d. Alternation of multicellular generations
1613views - Textbook Question
Identify the cloud seen in each photograph. Describe the life cycle events associated with each cloud.
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905views - Textbook Question
The appearance of cuticle and stomata correlated with what event in the evolution of green plants?
a. The first upright growth forms
b. The first woody tissues
c. Growth on land
d. The evolution of the first water-conducting tissues
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