Category: biology gcse

Learning about Osmosis – Biology Revision

Plant and animal cells need water and essential nutrients to carry out their metabolic processes. The substance move in and out of the cells by Active Transport and Passive Transport. The movement of substance in and out of the cell is very crucial for various metabolic process like …

Learning about Photosynthesis – Biology Revision

The plant cells are different from animal cells as they contain chloroplast which contains chlorophyll. All green plants have chlorophyll in their leaves and with the help of the chlorophyll, they are able to trap the light energy from the sun and convert it into chemical energy in …

Behaviour B3 Topic 2 – Biology Extension GCSE

This article will go over everything you need to know for Topic 2, Behaviour, from different ways of communicating, instinctive, learned and conditioning behaviour in humans and animals, herbivore and carnivore feeding, reproductive behaviour and parental care. Please feel free to move to the section of the article …

Biotechnology and Food – Biology Extension GCSE

On my last post on biotechnology, I forgot about the different uses biotechnology has in food. There are eight main uses which I will list in this post now. Even though it is difficult to remember the names of some of the bacteria, it is crucial you know them …

How Light Intensity Affects the Rate of Photosynthesis – Biology IAA

This article will have all you need to know about the Biology IAA coursework on the investigation into the effect of light intensity on the rate of photosynthesis. Yes, another boring IAA exam which makes it vital to have no slip ups in the method, validity, reliability, evaluation …

Aerobic and Anaerobic Respiration – Biology GCSE

Aerobic respiration in humans equation is:Glucose + Oxygen –> Carbon Dioxide + Water (h20) and EnergyThere are many ways to prove respiration such as: T – tube experiment. Breathed in side, lime water remained clear, breathed out side, lime water went cloudy. We add CO2 to breathed-out air. A mirror goes misty …

How Height of Leaves on Holly Bush Affect Prickliness – Biology IAA

Within this post will be all you need to know for this IAA experiment. Once again, this experiment is boring and simple which means there must be no slip up in the method at all. Firstly, we got to know what the independent variable and dependant variable is: Independent variable – height of …