Unit 3 Animals (Solved Ex.)
Key Points:
- Living things can grow, eat, move, reproduce, etc. but nonliving things cannot.
- Living things need some basic things to carry on their life. processes. These things are food, water, air, light, and shelter.
- Living things also have some essential physical characteristics that help to meet their needs. these are movement, growth, and reproduction.
- Reproduction is the process by which living things produce their young ones.
- The change in the body structure from an egg to an adult is called metamorphosis. Metamorphosis is of two types complete and incomplete.
Exercise (Solved)
A. Answer the following questions.
- What are the basic need of animals that are essential for their survival?
- What would happen if there is no water on earth.?
- Differentiate between the followinga. Growth and reproductionb. A complete and incomplete metamorphosis.
- How we get energy and where does all this energy come from?Hint: Explain this concept using these words: human beings, eat food, energy, Plant, grow, reproduce, animals, sun need, food chain, producers, consumers.
B. Choose and write the correct option.
- The process by which living things produce their young one is called _ _ _ _ _ _ _ _. (Generation, reproduction, respiration)
- A maggot has _ _ _ _ _ _ _ _ stages in its life cycle. (three, four, five)
- Plants do not _ _ _ _ _ _ _ _ like animals or humans. (grow, reproduce, move)
- The change in the body structure from an egg to an adult is called _ _ _ _ _ _ _ _. (metamorphosis, reproduction, respiration)
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