Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 22, Problem 2SQ
Summary Introduction
Introduction: Lignin is a
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These plants have hollow, jointed stems that are impregnated with silica. (a)mosses (b) club mosses (c) horsetails (d) whisk ferns (e) hornworts
Lignin supports the stems of_______ . a. mosses c. ferns b. hornworts d. liverworts
Over the course of plant evolution, there has been an increasing dominance ofa. the gametophyte generation.b. C4 photosynthesis.c. angiosperms.d. the sporophyte generation.
Chapter 22 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 22 - The first land plants were ___ . a. gnetophytes b....Ch. 22 - Prob. 2SQCh. 22 - A waxy cuticle helps land plants ___ . a. oonserve...Ch. 22 - True or false? Ferns produce seeds inside sori.Ch. 22 - ___ attach mosses to soil. a. Rhizoids b. Rhizomes...Ch. 22 - Bryophytes alone have a relatively large ___ and...Ch. 22 - Club mosses, horsetails, and ferns are ___ plants....Ch. 22 - Coal consists primarily of compressed remains of...Ch. 22 - Insect-Assisted Fertilization in Moss Moss sperm...Ch. 22 - Prob. 2DAA
Ch. 22 - Prob. 3DAACh. 22 - The sperm of swim to eggs. a. mosses b. ferns c....Ch. 22 - A seed is a(n) ___ . a. female gametophyte b....Ch. 22 - Prob. 11SQCh. 22 - Which angiosperm lineage includes the most...Ch. 22 - Match the terms appropriately. ____ bryophyte a....Ch. 22 - Match the terms appropriately. _____ovule a....Ch. 22 - Place these groups. in order of their appearance...Ch. 22 - Early botanists admired ferns but found their life...Ch. 22 - Prob. 2CTCh. 22 - Prob. 3CTCh. 22 - Compared to vascular plants, bryophytes arc more...Ch. 22 - Lignin and vascular tissue first evolved in...
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- The waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusarrow_forwardThe _______do not have xylem or phloem. a. mosses b. ferns c. monocots d. conifersarrow_forwardThe land plants are probably descendants of which of these groups? a. green algae b. red algae c. brown algae d. angiospermsarrow_forward
- A difference between monocot and dicot plant stems is thea. absence of buds in monocots.b. organization of vascular tissue.c. presence of guard cells.d. absence of stomata.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_forwardRootsa. are the primary site of photosynthesis.b. give rise to new leaves and flowers.c. have a thick cuticle to protect the epidermis.d. absorb water and nutrients.e. contain spores.arrow_forward
- The integuments of an ovule will develop into the a. embryo. b. endosperm. c. fruit. d. seed coat.arrow_forwardPhloem is a tissue found in: A. reproductive organs of animals B. plants C. insects D. mammalsarrow_forwardPotato is a modified form (outgrowth) of: A. root B. stem C. fruit D. leafarrow_forward
- A fruit is(A) a mature ovary.(B) a mature ovule.(C) a seed plus its integuments.(D) an enlarged embryo sac.arrow_forwardConifers are common in mountain and high-latitude forests where it is cold, very dry and it snows frequently. What key characteristics of conifers give them an advantage over other types of plants that live in these forests? A) the production of resin.B) the conical shape of the tree.C) leaves with a relatively large surface area.D) needle-like leavesE) a waxy cuticle.F) sori located on the underside of the leavesG) loss of leaves during the winter months.arrow_forwardWhy do desert plants that live in very hot and dry conditions have stomata? a. To allow for transpiration b. To allow for gas exchange c. To allow for the release of excess heat d. Both a and b are correct.arrow_forward
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