BIOLOGY CONNECT ACCESS CARD 1-SEMESTER
12th Edition
ISBN: 9781264019090
Author: Raven
Publisher: MCG/CREATE
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Question
Chapter 32, Problem 2S
Summary Introduction
To determine:
Where the echinoderm would be placed in the animal kingdom.
Introduction:
Echinoderms are radially symmetrical, triploblastic, coelomate animals. They are mostly marine and contain water vascular system for locomotion. They have spines on their body, hence named echinoderms. The echinoderms include sea star, sea cucumber, sea urchin and others.
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Chapter 32 Solutions
BIOLOGY CONNECT ACCESS CARD 1-SEMESTER
Ch. 32.1 - Prob. 1LOCh. 32.2 - Prob. 1LOCh. 32.2 - Prob. 2LOCh. 32.2 - Prob. 3LOCh. 32.3 - Prob. 1LOCh. 32.3 - Prob. 2LOCh. 32.3 - Prob. 3LOCh. 32.4 - Prob. 1LOCh. 32.4 - Prob. 2LOCh. 32.5 - Prob. 1LO
Ch. 32.5 - Prob. 2LOCh. 32.5 - Prob. 3LOCh. 32.6 - Prob. 1LOCh. 32.6 - Prob. 2LOCh. 32 - Prob. 1IQCh. 32 - Prob. 1UCh. 32 - Animals are unique in the fact that they possess...Ch. 32 - In animal sexual reproduction the gametes are...Ch. 32 - The evolution of bilateral symmetry was a...Ch. 32 - A fluid-filled cavity that develops completely...Ch. 32 - Which of the following statements is NOT true...Ch. 32 - Which of the following characteristics is used to...Ch. 32 - With regard to classification of animals, the...Ch. 32 - The coelom a. is a synapomorphy for the clade...Ch. 32 - A coelomate organism may have which of the...Ch. 32 - Which of the following cell types of a sponge...Ch. 32 - Prob. 12UCh. 32 - Prob. 13UCh. 32 - The following diagram is of the blastopore sage of...Ch. 32 - Prob. 2ACh. 32 - Prob. 3ACh. 32 - Which of the following cell layers is not...Ch. 32 - Prob. 2S
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- examine the morphology of a millipede and a butterfly. What characters do they share? Notice how their bodies are divided into several specialized regions called tagmata. How did tagmatization contribute to the diversity of arthropods?arrow_forwardDescribe four different uses for thoracic appendages seen in different crustaceans. Use specific examples (name the corresponding taxonomic group). Relate the morphology of the appendage to its function.arrow_forwardDescribe how paedomorphosis as a mechanism could explain the evolution of the chordate body plan (from echinoderm larval form to a craniate form).arrow_forward
- Urochordates, instead of amphioxus, are now considered the sister group of vertebrates. Why is amphioxus, instead of urochordates, still considered a better model for the early vertebrate body plan?arrow_forwardOne difference between the 'fishapod', Tikaalik, and the early tetrapod, Acanthostega, is... Group of answer choices the loss of dorsal fins in Acanthostega. the presence of a flattened skull with dorsally facing orbits in Acanthostega. the loss of fin rays and the replacement of digits in Acanthostega. the loss of a caudal fin in Acanthostegaarrow_forwardMatch the benefit to the correct chordate adaptation. (match each number to the correct letter) 1. allows organisms to walk on land 2. allows organisms to lay eggs on land, without water 3. allows organisms to generate their own heat 4. provides a rigid structure for muscles A.bony skeleton B. Ectotherm C. Tetrapod D. Amniotic eggs E. Endotherm F. Seedsarrow_forward
- Echinodermata is the first phylum you have examined whose members possess true endoskeletons. What are some advantages that an endoskeleton provides?arrow_forwardMammals are farther removed from echinoderms in phylogenetic alliance as they do with birds. Yet birds have a meroblastic cleavage, whereas mammalian cleavage is holoblastic, like echinoderms. How will the mammal convince the bird that it did not deviate from family traditions?arrow_forwardThe largest cycloneuralians are also the only ones with external fertilization. Which phylum is this? Explain the relationship between adult body size, mode of fertilization, and type of larval development in marine invertebrates.arrow_forward
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