Inquiry Into Life (16th Edition)
16th Edition
ISBN: 9781260231700
Author: Sylvia S. Mader, Michael Windelspecht
Publisher: McGraw Hill Education
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Chapter 31, Problem S1.2BYB
Summary Introduction
To analyze:
What is the basis for classifying an organism as a member of kingdom Animalia?
Introduction:
The organisms on Earth were classified into five kingdoms - Prokaryote, Protista,
Expert Solution & Answer
Explanation of Solution
Living organisms are classified into five kingdoms- Prokaryote, Protista, Fungi, Plantae, and Animalia. Animalia is also termed as Metazoa.
The general characteristics of Animalia kingdom are
- It should be a eukaryote
- It should be a heterotroph
- It should be multicellular having nucleus, mitochondria, Golgi complex, ribosomes, lysosomes, vacuoles, cytoskeleton.
- It should contain a muscular system, skeletal system, circulatory system, excretory system, and reproductive system, to perform various functions required for survival.
- It should be able to ingest food and digest it inside the cavity.
- It should be able to move independently.
- It should contain organs necessary for the gaseous exchange of gases like oxygen and carbon dioxide necessary for survival.
Conclusion
The kingdom Animalia is characterized by eukaryotic and heterotrophic organisms. It is multicellular and has cell walls. They depend on plants directly for their food. Food is ingested and digested in the food cavity. The organisms are capable of locomotion.
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Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming
there was just one gene conferring gametophytic obligate apomixis, and that the two parents are
inbreds, what would be the consequences of such a cross if:
a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the parental cross.
b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the…
Question #5:
Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The
genes show independent assortment. Recessive alleles at both loci are required for the facultative
apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C.
At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype.
A facultative apomict male, capable of producing viable pollen, was crossed with a sexually
reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic
ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following
temperatures*:
a) 15°C?
b) 25°C?
*for full credit, show crosses and genotypes where appropriate. Remember to position the
female first (left side) in the cross.
Type your answer here:
Chapter 31 Solutions
Inquiry Into Life (16th Edition)
Ch. 31.1 - List the general characteristics of animals.Ch. 31.1 - Prob. 2LOCh. 31.1 - Describe the differences between protostomes and...Ch. 31.1 - Prob. 1CYPCh. 31.1 - List the general characteristics that animals have...Ch. 31.1 - Prob. 3CYPCh. 31.2 - 1. Describe the anatomy and life cycle of sponges...Ch. 31.2 - Prob. 2LOCh. 31.2 - Prob. 3LOCh. 31.2 - Prob. 1QTC
Ch. 31.2 - Prob. 2QTCCh. 31.2 - Describe three main characteristics of sponges.Ch. 31.2 - Prob. 2CYPCh. 31.2 - Prob. 3CYPCh. 31.3 - Prob. 1LOCh. 31.3 - Prob. 2LOCh. 31.3 - Prob. 3LOCh. 31.3 - Prob. 1CYPCh. 31.3 - Prob. 2CYPCh. 31.3 - Prob. 3CYPCh. 31.4 - Identify the characteristic unique to ecdysozoans.Ch. 31.4 - Prob. 2LOCh. 31.4 - Prob. 3LOCh. 31.4 - Prob. 1QTCCh. 31.4 - Prob. 2QTCCh. 31.4 - Prob. 3QTCCh. 31.4 - Prob. 1CYPCh. 31.4 - Prob. 2CYPCh. 31.4 - Prob. 3CYPCh. 31.5 - Prob. 1LOCh. 31.5 -
2. Describe how sea stars move, feed, and...Ch. 31.5 -
1. Explain why echinoderms are more closely...Ch. 31.5 - Prob. 2CYPCh. 31 - Prob. S1.2BYBCh. 31 - Prob. S3.3BYBCh. 31 - Prob. T27.1BYBCh. 31 - Prob. 1ACh. 31 - Prob. 2ACh. 31 - Prob. 3ACh. 31 - Prob. 4ACh. 31 - Prob. 5ACh. 31 - Prob. 6ACh. 31 - Prob. 7ACh. 31 - Prob. 8ACh. 31 - Bivalves, cephalopods, and gastropods are all:...Ch. 31 - Prob. 10ACh. 31 - Prob. 11ACh. 31 - Prob. 12ACh. 31 - Prob. 14ACh. 31 - Prob. 15ACh. 31 - Prob. 16ACh. 31 - Prob. 1TCCh. 31 - Prob. 2TCCh. 31 - Prob. 3TC
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