1. Differentiate among primary, secondary and tertiary consumers. Give one example of each in a food chain.2. Define the terms (a) flora and (b) fauna.3. List any there members each of the flora and fauna of tropical rain forests. (2024)

1. The answer is as follows:

• PRIMARY CONSUMERS: These are herbivores and feed directly on producers i.e. green plants. Primary consumers vary with the type of an ecosystem. For example, in a forest ecosystem, deer or giraffe is a primary consumer whereas in a grassland ecosystem, cow or goat is a primary consumer.
• SECONDARY CONSUMERS: These are carnivores and feed on primary consumers and producers. For example, dogs, cats, birds etc.
• TERTIARY CONSUMERS: These are top carnivores that feed on primary and secondary consumers and producers. For example, lion, vulture etc.

2. The answer is as follows:

(a) Flora refers to the plants of an area.

(b) Fauna refers to the animals of an area.

3. The answer is as follows:

Examples of flora of tropical rain forest: Rubber tree (Hevea brasiliensis), Giant red cedar tree, Banana tree.

Examples of fauna of tropical rain forest: Anaconda, Red eyed frog, Jaguar.