BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 24, Problem 3MC
A coelom is
a body cavity that is partially lined with tissue derived from mesoderm.
a body cavity that is completely lined with tissue derived from mesoderm.
found in sponges and cnidarians.
never found in bilaterally symmetrical organisms.
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Students have asked these similar questions
A body cavity fully lined with tissue derived from mesoderm is called a______ . a. coelom c. complete digestive tract b. pseudocoelom d. gastrovascular cavity
You are trying to identify a living organism which you are observing closely. Which one of the following would convince you that the organism is acoelomate?
It responds to food by moving toward it.
It is triploblastic.
It has bilateral symmetry.
It possesses sensory structures at its anterior end.
Muscular activity of its digestive system distorts the body wall.
The flatworms have
a true coelom
a pseudocoelom
radial symmetry
tissues derived from the three basic germ layers (i.e. they are triploblastic)
need help with both questions for my HW please thank you!
Coelomates have an enclosed coelom completely lined with mesodermally derived tissue.
Accelomates have an enclosed coelom partially lined with mesodermally derived tissue.
Pseudocoelomates have no enclosed coelom.
true or false
Chapter 24 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 24 - 1. Which of the following groups contains radially...Ch. 24 - Prob. 2MCCh. 24 - 3. A coelom is
a. a body cavity that is partially...Ch. 24 - Prob. 4MCCh. 24 - 5. Which of the following groups does not include...Ch. 24 - Animals obtain energy by ______; they generally...Ch. 24 - 2. Bilaterally symmetrical animals have _____...Ch. 24 - Animals that have an anterior and posterior end...Ch. 24 - Prob. 4FTBCh. 24 - Animals that lack a backbone are described as;...
Ch. 24 - Three major groups within the mollusks are the...Ch. 24 - Phyla that contain animals with segmented bodies...Ch. 24 - Prob. 8FTBCh. 24 - Prob. 1RQCh. 24 - Prob. 2RQCh. 24 - Briefly describe each of the following...Ch. 24 - Prob. 4RQCh. 24 - Prob. 5RQCh. 24 - Prob. 6RQCh. 24 - Prob. 7RQCh. 24 - Prob. 8RQCh. 24 - 1. Insects are the largest group of animals on...Ch. 24 - Prob. 2AC
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- Animals that have true tissues, bilateral symmetry, segmented bodies, and are protostomes are known as: Arthropods Cnidarians Sponges Chordatesarrow_forwardWhich of the following is not a characteristic of all animals? Answers: They are multicellular eukaryotes. They ingest and digest food. They are mobile at some point in their life. They reproduce sexually. They have a coelom. Please explain which one is correct.arrow_forwardA coelom is a body cavity completely lined with (a) epithelium (b) ectoderm (c) mesoderm (d) endoderm (e) epidermisarrow_forward
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- ILLUSTRATE THIS/ Mollusks are divided into three classes: Class Cephaloda (squids), Class Gastropoda (snails), Class Bivalvia (clams and oysters) Cephalopods have a few orders, one of which is order octopoda ( octopus) and the other is order teuthida ( squids) the scientific name for the common octopus is octopus vulgaris the scientific name for the common squid is loligo vulgarisarrow_forwardAquatic molluscs have a blood vascular system & metanephridia so they must also possess an unpartitioned coelom secretion kidneys terminal cells a partitioned coelom If a respiratory pigment such as hemoglobin or hemocyanin is not present in blood the blood would not carry carbon dioxide the blood would not carry oxygen the blood would have decreased oxygen carrying capacityarrow_forwardWhy did invertebrates evolve structures for protection? present scientific explanation please do not just copy from googlearrow_forward
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