BiologyCode 5090
Ecosystems and biodiversity
What this topic asks you to be able to do
- Describe a population as the members of a single species found together in one area at one time
- Outline a community as the entire collection of populations, each made up of a different species, found within an ecosystem
- Outline an ecosystem as a single unit made up of a community of organisms together with their environment, all interacting with one another.
- Outline biodiversity as the count of distinct species living within a given area
- Identify the factors that decide how quickly a population of an organism grows, and state them, limited to: food supply, competition, predation and disease
- Understand that as the human population grows, the world's resources are in ever greater demand