Inquiry into Life
15th Edition
ISBN: 9781259426162
Author: Sylvia S. Mader Dr., Michael Windelspecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 31.2, Problem 1CYP
Describe three main characteristics of sponges.
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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 31 Solutions
Inquiry into Life
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. 31.1 - Prob. 1ACh. 31.1 - Prob. 2ACh. 31.1 - Prob. 3ACh. 31.2 - 1. Describe the anatomy and life cycle of sponges...
Ch. 31.2 - Prob. 2LOCh. 31.2 - Prob. 3LOCh. 31.2 - Prob. 1QTCCh. 31.2 - Prob. 2QTCCh. 31.2 - Describe three main characteristics of sponges.Ch. 31.2 - Prob. 2CYPCh. 31.2 - Prob. 3CYPCh. 31.2 - Prob. 4ACh. 31.2 - Prob. 5ACh. 31.2 - Prob. 6ACh. 31.3 - Prob. 1LOCh. 31.3 - Prob. 2LOCh. 31.3 - Prob. 3LOCh. 31.3 - Prob. 1CYPCh. 31.3 - Prob. 2CYPCh. 31.3 - Prob. 3CYPCh. 31.3 - Prob. 7ACh. 31.3 - Prob. 8ACh. 31.3 - Bivalves, cephalopods, and gastropods are all:...Ch. 31.3 - Prob. 10ACh. 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. 31.4 - Prob. 11ACh. 31.4 - Prob. 12ACh. 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. 31.5 - Prob. 14ACh. 31.5 - Prob. 15ACh. 31.5 - Prob. 16ACh. 31 - Prob. S1.2BYBCh. 31 - Prob. S3.3BYBCh. 31 - Prob. T27.1BYBCh. 31 - Prob. 1CSCh. 31 - Prob. 2CSCh. 31 - Prob. 1TCCh. 31 - Prob. 2TCCh. 31 - Prob. 3TC
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