The Interactions of Life: Ecology What you may already know:
zz zz All living things share the planet.
Living things need energy from their environment to survive, grow and reproduce.
zz
Changes in the environment cause organisms to change. This leads to new species evolving by natural selection.
What you will learn in this chapter: zz
zz zz
zz How organisms adapt in an ecosystem.
Feeding relationships describe the flow of energy through an ecosystem.
How to gather information about ecosystems through habitat studies.
An ecosystem is all organisms interacting with each other and their environment.
zz zz zz
Why do tigers have stripes and camels have humps?
Why are animals tagged by ecologists?
Why is it important that individuals of the same species are not identical?
Can you identify the organism Einstein was describing when he said:
‘If the ____________ disappeared off the surface of the globe, then man would have only four years of life left. No more ____________, no more pollination, no more plants, no more animals, no more man.’
