Question and answer
A shark is a _______ a. Caecilian b. Actinistia c. Actinopterygii d. Cephalaspidomorphii e. Chondrichthyes
A shark is a E. Chondrichthyes.
Expert answered|Aidandelion|Points 5|
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Asked 5/11/2010 5:59:56 PM
Updated 3/8/2014 2:26:32 PM
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This answer has been confirmed as correct and helpful.
Edited by jay901 [3/8/2014 2:24:20 PM], Edited by jay901 [3/8/2014 2:25:35 PM]
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Which of the following includes a plant embryo, a food supply, and a protective covering? Choose one answer. a. spore b. pollen grain c. seed d. gametophyte
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An arthropod is vulnerable to predators during the molting period because _____ points:1 Choose one answer. a. predators are more numerous during this period. b. molting cannot occur without the assistance of predators. c. it must come out of hiding to molt. d. its new exoskeleton is soft.
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Updated 141 days ago|2/28/2019 8:47:23 PM
1 Answer/Comment
An arthropod is vulnerable to predators during the molting period because its new exoskeleton is soft.
Added 141 days ago|2/28/2019 8:47:23 PM
This answer has been confirmed as correct and helpful.
The easiest way to tell whether an arthropod is an insect or a spider is to _____ points:1 Choose one answer. a. count its antennae. b. measure the length of its body. c. observe its color. d. count its legs.
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Animals that do not have backbones are called _____. User: Which modern-day arthropods are most similar to fossil trilobites? _____ points:1 Choose one answer. a. dragonflies b. horseshoe crabs c. fiddler crabs d. praying mantises
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Updated 2/2/2014 11:51:55 AM
1 Answer/Comment
Animals without backbones are called invertebrates.

Added 2/2/2014 11:51:55 AM
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