Apparatus & Techniques: Investigating Growth Rate Using Turbitity Measurements The?population growth rate?of microorganisms, such as bacteria or yeast, can be investigated by growing the...
Primary Succession Ecosystems are?dynamic, meaning that they are constantly?changing Sometimes, ecosystems change from being very?simple?to being relatively?complex This process is known as?...
Ecosystems are Dynamic Ecosystems Species?do not exist by themselves in their own isolated environment, they interact with other species forming a?community The species within a community in...
Estimating the Size of a Population Measuring all the different levels of biodiversity within an ecosystem could be very?time consuming Finding out which species live in an ecosystem and the...
Carrying Capacity The?maximum stable population size?of a species that an?ecosystem?can?support?is known as the?carrying capacity Every individual within a species population has the?potenti...
Abiotic & Biotic Conditions Niche The place where a species lives within an ecosystem is its?habitat The role that a species plays within its habitat is known as its?niche, including: Th...
Practical Skill: Investigating the Effects of Random Sampling on Allele Frequencies Investigations to mimic the effects of?random sampling?on?allele frequencies?in a population can be devised using...
Allopatric & Sympatric Speciation Evolution?causes?speciation: the formation of?new species?from pre-existing species over time, as a result of?changes to gene pools?from generation to g...
Reproductive Separation Reproductive separation In order for evolution to occur the new species population must be?genetically?and?reproductively separated?from the pre-existing species popu...
