Question
Give one example of:
- Urochordata.
- Cephalochordata.
Give one example of:
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Through which of the following materials can sound travel?
Wood, air, water, sream, ice, hydrogen, steel, diamond.

During class, the students resemble molecules in a solid (because they are very close to one another)

While going from one classroom to another the students resemble molecules in a liquid (because they are a little more father apart from one another)
What is relation between division of labour and various types of tissues?
Write down four main characteristics of good cattle shelter.