1. The basic unit of living things is [?].
2. The [?] is made up of cytoplasm and nucleus.
3. Amoeba and Paramecium are examples of [?] organisms.
4. Ants and chicken are examples of [?] organisms.
5. We have to use a [?] to see calls.
6. [?] are so tiny that they can only be seen under a microscope.
7. Plant cells have a fixed shape because they have a cell [?].
8. Plant cells have a green pigment which is known as [?].
9. A few different types of [?] form an organ.
10. Our body has many [?] which can perform many functions at the same time.