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IGCSE Biology: Planning an experiment
A blog for IGCSE Double Award Biology. I blog according to 2009 specification, so it's detailed and exact. :)
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IGCSE Biology: Cell Division
Specification:
Understand that division of a diploid cell by mitosis produces two cells which contain identical sets of chromosomes
Understand that mitosis occurs during growth, repair, cloning and as...
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IGCSE Biology: Cell Structure
b) Cell Structure
2.3 describe the functions of the nucleus, cytoplasm, cell membrane, cell wall, chloroplast and vacuole
2.4 describe the differences between plant and animal cells
Animal cell
A
The...
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IGCSE Biology: Determining Sex of Offspring
Sex chromosomes:
Human males have an X chromosome and a much shorter Y chromosome in each somatic cell. The X chromosome contains more genes than the Y chromosome.
Females have a pair of X chromosom...
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IGCSE Biology: Movement of substances into and out of cells
Specification:
2.12 recall simple definitions of diffusion, osmosis and active transport
2.13 understand that movement of substances into and out of cells can be by diffusion, osmosis and active tra...
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IGCSE Biology: Nature and Variety
they move
they reproduce
b) Variety of living organisms
1.2 describe the common features shared by organisms within the following main groups, plants, animals, fungi, bacteria, protoctists and viruses...