SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Arthropods were the first animals to live on land. The earliest terrestrial arthropods were probably millipedes. They moved to land about 430 million years ago. Early land arthropods evolved adaptations such as book lungs or trachea to breathe air.
Detailed explanation-2: -Arthropods are animals that are found throughout the world, from deserts to mountain tops, all the way down to the bottom of the oceans. In fact, Arthropoda is the most diverse group of animals known, with well over 1.2 million described species [1].
Detailed explanation-3: -Arthropods are represented in every habitat on Earth and show a great variety of adaptations. Several types live in aquatic environments, and others reside in terrestrial ones; some groups are even adapted for flight.
Detailed explanation-4: -All arthropods posses an exoskeleton, bi-lateral symmetry, jointed appendages, segmented bodies, and specialized appendages. The major arthropod classes can be separated by comparing their number of body regions, legs, and antennae. Class Crustacea (crus-ta-ce-uh), the crustaceans. This is a very diverse class.