Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 22, Problem 9RQ
Summary Introduction
To determine:
The advantages of seeds in plants and enlist the process by which the plants that lack seeds meets the needs served by seeds.
Introduction:
Most of the plants in today’s world grow with the help of seeds. The seed of the plant falls into two groups:
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Why do seedless plants need moisture to reproduce?
Another issue for these trees is fire. Giant redwood trees are very adapted to tolerate fire. The mature trees have thick bark which helps them survive most fires. Younger trees are still at risk. The seeds can remain dormant in cones for many years (estimated 20) and germinate best after the cone is exposed to fire. However, highintensity fires (hot temperatures) are risky for seeds and trees of all ages. What are two things you could do to try and mitigate (reduce) the risk of fire damage but still allow for good seed germination in forests?
Which of the following statement is NOT TRUE about plants?
Lütfen birini seçin:
O a. A plant can grow throughout its life; this is called indeterminate growth
O b. Plants are the only organism capable of photosynthesis
O c. Fruits in plants protect seeds and aid in seed dispersal
O d. The plant body is divided into a root system and a shoot system, connected by vascular tissue that
is continuous throughout the plant
O e. the transfer of pollen from anther to stigma is called pollination
Chapter 22 Solutions
Biology
Ch. 22.1 - describe the features that distinguish plants from...Ch. 22.2 - In stark contrast to the stinking corpse lily and...Ch. 22.2 - describe the probable ancestor of plants?Ch. 22.2 - identify the closest living relatives of plants...Ch. 22.2 - describe the adaptations that equip plants for...Ch. 22.3 - Why are all nonvascular plants short?Ch. 22.3 - In each of these photos, is the pictured structure...Ch. 22.3 - Can you think of some adaptations that help...Ch. 22.3 - What are the advantages and disadvantages of wind...Ch. 22.3 - Which Plant Provide Us with the Most Food?
Ch. 22.3 - The stinking corpse lily harms species it...Ch. 22.3 - Prob. 1CYLCh. 22.3 - describe the major plant taxonomic groups and...Ch. 22.3 - describe the key steps in the life cycles of...Ch. 22.4 - In the initial trials with Argemone mexicana in...Ch. 22.4 - describe some of the effects that plants have on...Ch. 22.4 - Perhaps surprisingly, a parasitic lifestyle is not...Ch. 22 - In an alternation of generations life cycle,...Ch. 22 - Which of the following are not nonvascular plants?...Ch. 22 - Which of the following structures is present in...Ch. 22 - In which of the following is the gametophyte stage...Ch. 22 - Prob. 5MCCh. 22 - Scientists hypothesize that the ancestors of...Ch. 22 - Plant adaptations to life on land include a(n)...Ch. 22 - Seedless vascular plants must reproduce when...Ch. 22 - Three groups of nonvascular plants are __________,...Ch. 22 - What is meant by alternation of generations? What...Ch. 22 - Prob. 2RQCh. 22 - Describe evolutionary trends in the life cycles of...Ch. 22 - From which algal group did green plants probably...Ch. 22 - Prob. 5RQCh. 22 - Prob. 6RQCh. 22 - Prob. 7RQCh. 22 - Prob. 8RQCh. 22 - Prob. 9RQCh. 22 - Prob. 1ACCh. 22 - Prob. 2AC
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- What 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_forwardWhat conditions do seeds need to germinate? Water only Oxygen only Water and oxygenarrow_forwardthe seed pods of the fast plants are an example of .... stem pistil flower stamen fruitarrow_forward
- Which of the following is NOT a caharacteristic of all seed plants? 1. a sporic life cycle 2. cell walls containing cellulose 3. life cycle is dominant in the sporophyte phase 4. reproductive organs found in flowers 5.nearlly all are photo-autotrophicarrow_forwardModified leaves that enable a stem to climb are called __________, whereas modified leaves that cover the winter buds of a dormant woody plant are called __________. (a) spines; bud scales (b) bud scales; tendrils (c) tendrils; bud scales (d) tendrils; spines (e) carnivorous leaves; spinesarrow_forwardWhich of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generationsarrow_forward
- Seed plants are. all homosporous mostly homosporous with some heteros porous mostly heteros porous with some homosporous all heterosporousarrow_forwardWhich of the following statements is false? a. Ferns produce seeds inside sori. b. Conifers do not produce fruits. c. Both gymnosperms and angiosperms produce pollen. d. Only angiosperms produce flowersarrow_forwardWhich of the following statements is false? a. Auxin and gibberellin promote stem elongation b. Cytokinin promotes cell division in shoot tips c. Abscisic acid promotes water loss and dormancy d. Ethylene promotes fruit ripening and abscission.arrow_forward
- Cycads are considered endangered species and their trade is severely restricted. Customs officials stop suspected smugglers, who claim that the plants in their possession are palm trees and not cycads. I-low would a botanist distinguish between the two types of plants?arrow_forwardCorn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely: a. a gymnosperm b. a monocot c. a eudicot d. a basal angiospermarrow_forward_______ is a useful method of asexual reproduction for propagating hard-to-root plants grafting layering cuttings buddingarrow_forward
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