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Question
Select the most appropriate answer.
Scorpions and spiders are
Options
crustaceans
arachnids
myriapods
insects
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Solution
arachnids
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RELATED QUESTIONS
Write one difference between the following pair:
Arthropoda and Mollusca
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Annelids have special organs of excretion called ..............
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Most arthropods have a tough outer body covering called ..........................
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A ................. has an external coiled shell.
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................. is an example of a crustacean.
Match the following.
| Group | Characteristics | ||
| 1. | Molluscs | a. | Feed milk to young ones, warm-blooded |
| 2. | Spongers | b. | bag-like body with tentacles around the opening |
| 3. | Flatworms | c. | fins, gills and cold-blooded |
| 4. | mammals | d. | body with large opening and many small pores all over |
| 5. | Fish | e. | jointed legs, exoskeleton |
| 6. | cnidarians | f. | have only one opening |
| 7. | arthropods | g. | hard shell, soft body |
| h. | cylindrical, unsegmented body with mouth at one end and anus at the posterior end |
Give a reason for the following.
Why do adult amphibians tend to stay near water?
Which group of animals have following characteristics: Body segmented, jointed appendages and compound eyes.
Assertion (A): Mammals give birth to their young ones.
Reason (R): Platypus is an egg-laying mammal.
Mention two special features of mammals.
