Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

The picture given-below shows the relative size of different types of cells between 100 nm and 100 mm.

What can be concluded from the picture?

Why stage is required in a microscope?

How does the shape of an organism help adapt it to the environment it lives in?

How does the size of an organism determine its needs for energy and nutrients?

What are the different shapes of blood cells?

What are the various components of blood cells?

What is a microscope and its uses?

What is the shape and size of cell?

Explain how cell size is related with their functions.

Cell size has no relation with their functions.

Explain the relationship between cell size and its functions.

Cells are of different shapes. Name some of them.

The cell theory was proposed by Antonie van Leeuwenhoek.

Five kingdom classification was proposed by Matthias Schleiden and Theodor Schwann.

_____ is proposed by Matthias J.Schleiden.

Cork cells are living cells.

Write one similarity and dissimilarity between the Amoeba and white blood cells.

What are three main types of lenses in a normal microscope?

Explain the purpose of using a microscope.

Which habitat do you think has more animals and plants? Why?