CONCEPTS OF BIOLOGY
13th Edition
ISBN: 2810014143673
Author: OpenStax
Publisher: OpenStax
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Textbook Question
Chapter 15, Problem 2ACQ
Figure 15.24 Which of the following statements about the anatomy of a mollusk is false?
a. Mollusks have a radula for scraping food.
b. Mollusks have ventral nerve cords.
c. The tissue beneath the shell is called the mantle.
d. The mantle cavity contains hemolymph.
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Students have asked these similar questions
10. Your instructor will give you 2 amino acids during the activity session (video 2-7.
A. First color all the polar and non-polar covalent bonds in the R groups of your 2 amino acids
using the same colors as in #7. Do not color the bonds in the backbone of each amino acid.
B. Next, color where all the hydrogen bonds, hydrophobic interactions and ionic bonds could
occur in the R group of each amino acid. Use the same colors as in #7. Do not color the bonds
in the backbone of each amino acid.
C. Position the two amino acids on the page below in an orientation where the two R groups
could bond together. Once you are satisfied, staple or tape the amino acids in place and label
the bond that you formed between the two R groups.
- Polar covalent Bond - Red
- Non polar Covalent boND- yellow
- Ionic BonD - PINK
Hydrogen Bonn - Purple
Hydrophobic interaction-green
O=C-N
H
I.
H
HO
H
=O
CH2
C-C-N
HICK
H
HO
H
CH2
OH
H₂N
C = O
Find the dental formula and enter it in the following format:
I3/3 C1/1 P4/4 M2/3 = 42 (this is not the correct number, just the correct format)
Please be aware: the upper jaw is intact (all teeth are present). The bottom jaw/mandible is not intact. The front teeth should include 6 total rectangular teeth (3 on each side) and 2 total large triangular teeth (1 on each side).
12. Calculate the area of a circle which has a radius of 1200 μm. Give your answer in mm² in
scientific notation with the correct number of significant figures.
Chapter 15 Solutions
CONCEPTS OF BIOLOGY
Ch. 15 - Figure 15.3 Which of the following statements is...Ch. 15 - Figure 15.24 Which of the following statements...Ch. 15 - Figure 15.33 Which of the following statements...Ch. 15 - Which of the following is not a feature common to...Ch. 15 - Which of the following does not occur? a. radially...Ch. 15 - The large central opening in the poriferan body is...Ch. 15 - Cnidocytes are found in _____. a. phylum Porifera...Ch. 15 - Cubozoans are______. a. polyps b. medusoids c....Ch. 15 - Which group of flatworms are primarily external...Ch. 15 - Crustaceans are _____. a. ecdysozoans b. nematodes...
Ch. 15 - A mantle and mantle cavity are present in _____....Ch. 15 - Annelids have a ______. a. pseudocoelom b. a true...Ch. 15 - Echinoderms in their larval state have ______. a....Ch. 15 - The circulatory fluid in echinoderms is _____. a....Ch. 15 - Which of the following is not a member of the...Ch. 15 - Members of Chondrichthyes differ from members of...Ch. 15 - Squamata includes _____. a. crocodiles and...Ch. 15 - Sudoriferous glands produce______. a. sweat b....Ch. 15 - Which of the following is a Monotreme? a. kangaroo...Ch. 15 - How are specialized tissues important for animal...Ch. 15 - Using the following terms, explain what...Ch. 15 - Describe the feeding mechanism of sponges and...Ch. 15 - Compare the structural differences between...Ch. 15 - Speculate as to what advantage(s) a complete...Ch. 15 - Describe a potential advantage and disadvantage of...Ch. 15 - Describe the morphology and anatomy of mollusks.Ch. 15 - Sessile adult tunicates lose the notochord; what...Ch. 15 - During embryonic development, what features do we...Ch. 15 - What can be inferred about the evolution of the...Ch. 15 - Explain why frogs are restricted to a moist...Ch. 15 - Describe three adaptations that allow for flight...
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