Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 30, Problem 3U
Which of the following gymnosperms possesses a form of vascular tissue that is similar to that found in the
a. Cycads
b. Gnetophytes
c. Ginkgophytes
d. Conifers
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Which of the following statements describes a difference between gymnosperms and angiosperms?
a. Gymnosperms are nonvascular plants; angiosperms are vascular plants.
b. Gymnosperms are seed-bearing vascular plants; angiosperms are seedless vascular plants.
c. The seeds of gymnosperms are contained within a fruit; angiosperm seeds are "naked."
d. Gymnosperms are seedless vascular plants; angiosperms are seed-bearing vascular plants.
e. The seeds of gymnosperms are "naked"; angiosperm seeds are contained within a fruit.
Which group of plants bears stomata only in the sporophyte generation?
a. Chrysophyta
b. Anthocerophyta
c. Bryophyta
d. Marchantiophyta
Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants?
a. Pollen
b. Dependent gametophytes
c. Ovules
d. Alternation of generations
Which of these statements is an incorrect comparison of a pine cone and a flower in terms of structure and function?
a. Pine cones and flowers both have gametophytes and modified leaves that produce spores.
b. All of the statements are correct.
c. Unlike pine cones, many flowers produce both pollen and ovules.
d. Pine trees have separate pollen cons and ovulate cones while in flowers, pollen grains are produced by the anthers of
stamens, and ovules are within the ovaries of carpels.
Which of the following are found in gymnosperms, as well as in angiosperms?
a.
Fruits
b.
Seeds
c.
Cones
d.
Flowers
Chapter 30 Solutions
Biology
Ch. 30.1 - List the evolutionary advantages of seeds.Ch. 30.1 - Distinguish between pollen and sperm in seed...Ch. 30.2 - Prob. 1LOCh. 30.2 - Prob. 2LOCh. 30.3 - Prob. 1LOCh. 30.3 - Prob. 2LOCh. 30.3 - Prob. 3LOCh. 30.4 - Describe four ways in which seeds help to ensure...Ch. 30.4 - List environmental conditions that can lead to...Ch. 30.5 - Prob. 1LO
Ch. 30.5 - Prob. 2LOCh. 30 - Using the graph in figure 30.13, calculate the...Ch. 30 - Prob. 1IQCh. 30 - Prob. 2IQCh. 30 - Prob. 3IQCh. 30 - Prob. 4IQCh. 30 - The lack of seeds is a characteristic of all a....Ch. 30 - Prob. 2UCh. 30 - Which of the following gymnosperms possesses a...Ch. 30 - In a pine tree, the microspores and megaspores are...Ch. 30 - Which of the following terms is NOT associated...Ch. 30 - Which of the following potentially represents the...Ch. 30 - Prob. 7UCh. 30 - Prob. 8UCh. 30 - The pericarp is the a. ovary wall. b. developing...Ch. 30 - Reproduction in angiospenns can occur more quickly...Ch. 30 - In double fertilization, one sperm produces a...Ch. 30 - Apply your understanding of angiosperms to...Ch. 30 - Comparing stems of two plant specimens under the...Ch. 30 - Prob. 5ACh. 30 - Fruits are complex organs that are specialized for...Ch. 30 - You haw been hired as a research assistant to...Ch. 30 - Prob. 2SCh. 30 - The relationship between flowering plants and...Ch. 30 - Prob. 4S
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Know examples of gymnosperm families that have the following characteristics: A. Only opposite whorled leaves B. Compound leaves C. Fleshy, drupaceous appearing fruits D. Genera that are not evergreenarrow_forwardCompanion cells are unique to:A. Bryophytes B. PteridophytesC. Angiosperms D. Gymnospermsarrow_forwardGive one significant difference between gymnosperms and angiosperms.arrow_forward
- Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to: A. angiosperms B. gymnosperms C. monocotyledons D. dicotyledonsarrow_forwardAngiosperms are the most diverse group of plants in existence today. Which of the following plant structures do angiosperms possess that are not found in any earlier lineage of plant? A. Fruits B. Seeds C. Pollenarrow_forwardWhich statement below is correct regarding the formation of the endosperm in angiosperms? O the endosperm is formed from the female gametophyte and is haploid O a single sperm nucleus fertilizes the egg nucleus to become the diploid zygote O a sperm nucleus forms both the zygote and the endosperm through double fertilization O a second sperm nucleus fuses with the two polar nuclei of the egg sac МacВook Pro G Search or type URL @ 2# $ & * 2 3 4 6 8 W E R Yarrow_forward
- How are compound leaves distinguished from simple leaves?a. Compound leaves do not have axillary buds at the baseof leaflets.b. Compound leaves are smaller than simple leaves.c. Simple leaves are usually deciduous.d. Compound leaves are found only on pine trees.e. Simple leaves are found only in gymnosperms.arrow_forwardThe alternation of generations life cycle applies to gymosperms in that: A. the gametophyte stage is reduced B. the sporophyte stage is reduced C. the gametes are produced via meiosis D. the spores are produced via meiosisarrow_forwarda. How are the angiosperms classified according to the Angiosperm Phylogeny Group (APG)? b. What is the present understanding about the origin of flowering plants, and the classification of angiosperms into “monocots” and “dicots”, based on most recent evidences? c. The work of plant taxonomists of the 20th century who identified /established the different families of flowering plants based mainly on morphological and anatomical details is still valued and being used today, despite the general acceptance of the Angiosperm Phylogeny Group (APG) as a classification system for the flowering plants. Explain why.arrow_forward
- There are four phyla that belong to the gymnosperm. Describe Phylum Ginkgophyta and explain why and how Ginkgo biloba became the only surviving species. What is the importance of this species to man?arrow_forward1. What traits do all plants share? 2. What do plants need? 3. List reasons that plants are important to life on Earth. 4. When is a plant considered a weed? 5. What are vascular tissues? What is their function? 6. Describe nonvascular plants. 7. Identify the parts of a seed and the role of each part. 8. Name and describe the division of gymnosperms.arrow_forwardGymnosperms were also the first plants to develop pollen . Which of the following statements correctly describes one of the advantages of pollen ?arrow_forward
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