Image Source This chapter of work is about habitats and the factors that affect the survival of organisms in their environments. You will learn about biotic (living) factors – predators, competitors, pathogens, parasites - and abiotic (non-living) factors – temperature, wind speed, pH, atmospheric gases, turbidity, salinity, solar radiation etc. You will also learn about niches and resource […]
Entries Tagged as 'evolution'
June 17, 2010 · No Comments · evolution
September 12, 2009 · No Comments · evolution
Photo Source Natural selection is the important process that results in changes in populations over time. All the structual, functional and behavioural adaptations we have discussed over the past few months have evolved as a result of natural selection. However, because the effects of natual selection can only be seen over many generations, it is […]