Ecology - Population

4 important questions on Ecology - Population

What are optimum conditions?

When all biotic and abiotic factors are at their most favourable. Under favourable coditions a population can grow, and in unfavourable conditions it may shrink.

What do we call it when the population size fluctuates around an equilibrium value?

We call that a biological equilibrium.

What four factors form the climate?

Temperature, light, air (wind) and water (precipation)
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What type of graph is a tolerance curve?

It is a graph showing the relationships between the temperature, the growth and reproduction rate in for example guppies.

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