TERMS DEFINITIONS Matter Anything that occupies space and has mass is called Mass The amount of matter in an object is called Mass Element The chemical substances that in ordinary chemical reactions cannot break down into simpler units are called element.
Write note on genetic unity. Discuss cell as a unit of life. Discuss evolutionary oneness and diversity of life. Write note on different energy sources. Discuss chlids as an example of study in biology. Describe scientific method. Multiple Choice Questions MCQs Four options are