List the adaptations of aquatic animals.

List the differences between R selected and K selected species.

Write the characteristics of tundra.

Write about the essential properties of water.

List out the properties of soil

Write a note on grassland biome.

Write in detail about Temperate forest and its types.

Point out the adaptive traits of aquatic animals

Differentiate between r-selected species and k-selected species

Describe in detail on population interaction.

Explain structural and behavioural adaptations seen in organism.

Rainfall shortage affects the normal lift In desert biome scanty rainfall occurs. Bm many organisms are living there. Discuss ~ characteristics of desert biomes.

Write a short note on:
(i) Adaptations of desert plants and animals.
(ii) Adaptations of plants to water scarcity.

Define the following terms and give example.
(a) Commensalism
(b) Parasitism
(c) Camouflage
(d) Mutualism
(e) Interspecific competition

(a) List any four abiotic components that lead to variations in the physical and chemical conditions of different habitats.
(b) Explain the impact of these components on the distribution of organisms in different habitats.