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Question
Fill in the blank.
Fishes obtain oxygen from water through ......................
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Solution
Fishes obtain oxygen from water through gills.
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RELATED QUESTIONS
Fill in the blank.
..................... and liver fluke live in the intestines of human beings and cattle.
Fill in the blank.
...................... live in the digestive tract of many vertebrates including human beings.
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 |
Differentiate between
radially symmetrical and bilaterally symmetrical body
Classify the given animals into different categories indicated.
Crab, millipede, butterfly, ant, scorpion, centipede, spider, lobster, moth, prawn into arachnids, crustaceans, myriapods, and insects.
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Pigeon - Feathers, wings, hair
Write two main characters of the following animal and name the phylum it belongs to: Starfish
Name the phyla to which following animal belongs: Scorpion
Why are eggs of reptiles covered with shells unlike the eggs of amphibians?
Write a note on mammals.
