What is ecological balance?
there is little change in an ecosystem over the years because it balances and stays stable
What is the difference between a change in seasons and an ecosystem changing over time?
Ecosystems change in a repeating cycle of seasons, but sometimes grow and change in different ways too
How has human population growth affected biodiversity?
It has accelerated the natural cycle of species substitution
What are TWO helpful man-made changes to ecosystems?
Conserving natural habitats, Protecting species, Reforestation, Controlling rubbish, Recycling