Biology Question on population ecology

Question

The great barrier reef along the east coast of Australia can be categorized as

Answer 1

Solution

A population is a group of individual organisms of the same species in a given area. A community is a group of populations of different species in a given area. An ecosystem is a whole biotic community in a given area plus its abiotic environment and biome is a major ecological community of organisms maintained under a particular climate zone. Coral colonies grow continuously in size by budding of polyps and often form extensive masses called coral reefs. Great barrier reef along the North-eastern Australia is an ecosystem. It is about $2000\, km$ long and upto $150 \,km$ from shore.