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Biology
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How does natural selection work?

Note: Keywords which are vital for marks will be highlighted in bold.

 

Within all populations, there is variation.

This is due to di...

ZA
Answered by Zuhayr A. • Biology tutor
6929 Views

What are the different types of immunity?

Firstly, you need to understand that there are two main types: Passive Immunity and Active Immunity. We will take them one by one and break them down now.

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BC
Answered by Bogdan C. • Biology tutor
14930 Views

Why is O2 so important for respiration?

Oxygen is a critical component of Aerobic respiration in many animals. The reason why oxygen is so important is because it plays a crucial role in the mitochondria, the powerhouses of the cell. The mit...

VS
Answered by Vignesh S. • Biology tutor
57358 Views

Explain the mechanism of breathing

Breathing consists of two phases called inhalation and exhalation.

Inhalation

In order for air to be drawn into the lungs during inhalation the volume

LM
Answered by Lauren M. • Biology tutor
80654 Views

What is the difference between meiosis and mitosis?

Cell division can be achieved by either mitosis or meiosis. Cell division via mitosis is essential for growth and repair and occurs in nearly all cells in the body, whereas cell division by meiosis occ...

PP
Answered by Priyesh P. • Biology tutor
12428 Views

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