Biology: The Unity and Diversity of Life (MindTap Course List)
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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Concept explainers

Life Cycle Of Bryophytes
A group of plant species that utilize spores, instead of flowers or seeds, for reproduction is known as a bryophyte. The non-vascular seedless plants which include mosses, liverworts, and hornworts are classified as bryophytes. There are over 20,000 spec…
Plant Biometry
Biometry is the science that deals with the statistical investigation of biological observations and phenomena. It is very important in the development of sound and effective agricultural research practices. It is a Greek-derived word wherein 'bio' means…
Life Cycle Of Gymnosperms
Gymnosperms, which translates to "naked seeds," are a diverse group of seed plants. The angiosperms are a sister group to one group of gymnosperms (the Gnetales), making the gymnosperms a paraphyletic group, according to the "anthophyte" hypothesis. The …
Life Cycle Of Pteridophytes
They are the first land plants with vascular tissues (xylem and phloem). These vascular plants are classified as vascular cryptogams because they do not contain flowers or seeds. These plants are the most common and visible group of land plants, accounti…
Life Cycle Of Angiosperms
An angiosperm is a word obtained from the two Greek words angio, which refers to "covered," and sperms, which means "bean". Flowering plants are what the angiosperms are called. The flowers of a plant develop into fruits, which contain seeds.
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Chapter 27, Problem 14SQ

Tree rings occur because_____

  1. a. there are droughts during the time the rings form
  2. b. environmental conditions influence xylem cell size
  3. c. heartwood alternates with sapwood
  4. d. periderm replaces epidermis
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Choose the incorrect statement: a. Fusiform and ray initials are formed by the vascular cambium. b. The cork cambium produces the periderm layer, a thicker tougher outer layer that replaces the epidermis. c. Wood is composed of secondary xylem. d. The vascular cambium separates the xylem on the outside of the stem and the phloem on the inside.
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.
Roots differ from stems because roots lack a. vessel elements. b. nodes. c. an epidermis. d. ground tissue.

Chapter 27 Solutions

Biology: The Unity and Diversity of Life (MindTap Course List)

Ch. 27 - Prob. 1SQCh. 27 - Prob. 2SQCh. 27 - Which of the following cell types remain alive in...Ch. 27 - Prob. 4SQCh. 27 - Prob. 5SQCh. 27 - Prob. 6SQCh. 27 - Prob. 7SQCh. 27 - Prob. 8SQCh. 27 - Prob. 9SQCh. 27 - Tree Rings and Droughts El Malpais National...
Ch. 27 - Tree Rings and Droughts El Malpais National...Ch. 27 - Prob. 10SQCh. 27 - Prob. 11SQCh. 27 - Prob. 12SQCh. 27 - Prob. 13SQCh. 27 - Tree rings occur because_____ a. there are...Ch. 27 - Match the plant parts with the best description....Ch. 27 - Prob. 1CTCh. 27 - Prob. 2CTCh. 27 - Prob. 3CTCh. 27 - Prob. 4CTCh. 27 - Is the plant with the yellow flower above a...
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