Growth
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PRESENTATION OUTLINE
GROWTH
- Is the quantitative permanent increase in size of an organism.
- It involves;
- Assimilation of nutrients hence increase in cell mass.
- Cell division where there is increase in cell number.
- Cell expansion leading to increase in size of animal.
Photo by Nicholas_T
DEVELOPMENT
- Is the qualitative permanent increase in complexity of the structure of an organism.
Photo by Dis da fi we
TERMS
- Morula-mass of cells formed after fertilisation.
- Cleavages-first cell division.
- Blastula-a hollow part that develops from a morula.(blastocyst)
Photo by Fabrizio Verrecchia
