Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 47, Problem 9TYK
Summary Introduction
Introduction:
The digestion of food through the digestive tract is controlled by receptors and hormones secreted by the digestive organs. The hormones that play a major role are; gastrin, secretin, glucose-dependent insulinotropic peptide (GIP), and cholecystokinin (CCK).
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Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI).
Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN).
Laboratory Analysis:
Body: Large leaves emerging from underground rhizome.
Size: 63 cm
Chromosomal Analysis: Plant body is diploid—chromosome number of 44.
Lignin test: Positive
Cuticle: Present
Leaves: Present—large with branched veins. Underside has sori (containing haploid spores).
Roots: Present—branch from the inside.
Stem: Present—vascular tissue (xylem & phloem) present.
Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte.
Explain which domain, kingdom and phylum you believe this plant should be classified…
CUÁ
Glycine
A C C
Newly formed molecule
Glycine Arginine Proline
Alanine
A C C
CC G
GGAUUGGUGGGGC
Structure X
I
mRNA
Adaptations to a Changing Environment
Why is it necessary for organisms to have the ability to adapt?
Why is the current environment making it difficult for organisms like the monarch butterfly to adapt?
Explain how organisms develop adaptations.
Chapter 47 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 47.1 - Prob. 1SBCh. 47.1 - Prob. 2SBCh. 47.1 - What is the difference between deposit feeders and...Ch. 47.2 - Prob. 1SBCh. 47.2 - Prob. 2SBCh. 47.3 - Prob. 1SBCh. 47.3 - Prob. 2SBCh. 47.3 - Prob. 3SBCh. 47.3 - Prob. 4SBCh. 47.4 - Prob. 1SB
Ch. 47.4 - Prob. 2SBCh. 47.5 - How are the different types of teeth used in...Ch. 47.5 - What roles do symbiotic microorganisms play in...Ch. 47 - Prob. 1TYKCh. 47 - Prob. 2TYKCh. 47 - The order of successive steps in digestion is: a....Ch. 47 - Prob. 4TYKCh. 47 - Prob. 5TYKCh. 47 - Prob. 6TYKCh. 47 - If the fat in whole milk is ingested: a. the...Ch. 47 - The role of the liver in digestion is to: a....Ch. 47 - Prob. 9TYKCh. 47 - Prob. 10TYKCh. 47 - Prob. 11TYKCh. 47 - Prob. 12TYKCh. 47 - Prob. 13TYKCh. 47 - Prob. 14TYKCh. 47 - Apply Evolutionary Thinking What is the advantage...Ch. 47 - The human AMY-1 gene encodes salivary amylase, an...Ch. 47 - Prob. 2ITDCh. 47 - Prob. 3ITD
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