1Which places' ecosystems are shown in the pictures?
2What are the biotic elements found in these two ecosystems?
3What are the abiotic elements found in these two ecosystems?
4What differences are found between the ecosystems shown in the pictures?
5What kind of relationship exists between the biotic and abiotic elements in the pictures?
6What is an ecosystem? Who developed its concept, and when?
7What is a community? Give one example.
8How do the bodies of dead organisms take part in the cycle of nature?
9How is balance maintained in an ecosystem?
10What is the difference between biotic and abiotic elements? Write with examples.