C Write true or false for the given statements. 1. Only green plants can prepare their own food by the process of photosynthesis.
2. Tertiary animals are consumers who eat primary consumers.
3. Crow, sockroach and bear are some examples of scavengers.
4. Decomposers decompose the dead animals into minerals.
5. In natural conditions, food chains never operate as linear sequences.
6. Normally, there is an increase in the number of individuals from the
lower to the higher trophic levels.
7. The number pyramid varies from ecosystem to ecosystem.
8. A partly upright pyramid of number is seen in forest ecosystem.
9. Deer and pigeon are nocturnal animals.
10. Temperature is minimum at the equator and increases gradually as one goes to
the north or to the south.​