Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 22, Problem 4CT
Suppose you wanted to make a science fiction film in which human time travelers went back to the Carboniferous. What types of modem plants would you use and which would you avoid if you wanted to depict the Carboniferous setting as accurately as possible?
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While exploring a forest, you come upon a plant that you haven't seen before. You dig it up and take it back to your lab for further inspection. Back at the lab, you observe the characteristic structure of the plant and make some notes. Then, you carefully dissect the stems and leaves and look at the tissue under the microscope. Finally, you are able to determine the type of plant it is.
Use the notes below to identify the class to which this plant belongs.
Notes on physical characteristics of the specimen:
the plant has no leaves or roots, but has hair-like rhizomes which anchors it in the soil
the stems are highly branched
sporangia are present at the ends of each stem
dissection of the stem shows the presence of vascular tissue in the form of a xylem and phloem
Put the following 3 fictional plants in order from earliest to most recent according
to their characteristics:
A. The Terpad Plant: This plant reproduces using spores and has proper leaves and
vascular tissue.
B. The Feltris Plant: The Feltris plant lives in moist environments since it doesn't
have any vascular tissue to maintain hydration throughout the plant. This plant has
no roots either but has small root-like structures called rhizoids which help anchor
them to the ground. Water is also required in order for fertilization.
C. The Lancelot Plant: This plant can grow in either moist or dry environments, has
true roots, stems and leaves and reproduces via seeds which develop within an
ovary.
What is the eighth concept used for studying plants? It is difficult to avoid using the phrase “in order to” when referring to plants. Change the following sentences to be more accurate. The first one is done as an example:a. Plants have leaves in order to photosynthesize. “Plants have leaves that photosynthesize,” or “photosynthesis in plants occurs in leaves.”b. Plants have flowers in order to reproduce.c. Plant cells divide in order to make more cells.d. Wind-pollinated plants have their flowers located high above the ground in order to be exposed to stronger wind.e. Some plants have red flowers to attract hummingbirds.f. After I eat dinner, my stomach secretes acid in order to help digest the food.
Chapter 22 Solutions
Biology: The Unity and Diversity of Life
Ch. 22 - Insect-Assisted Fertilization in Moss Moss sperm...Ch. 22 - Prob. 2DAACh. 22 - Insect-Assisted Fertilization in Moss Moss sperm...Ch. 22 - The first land plants were ___ . a. gnetophytes b....Ch. 22 - Lignin supports. the stems of ___ . a. mosses b....Ch. 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 - Prob. 9SQCh. 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 - In animals, meiosis of germ cells produces...Ch. 22 - Consider a cherry pit, which is a seed with a...Ch. 22 - Suppose you wanted to make a science fiction film...Ch. 22 - Lignin and vascular tissue first evolved in...
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