The flora and fauna in lakes or ponds are known as:

$A$ biotic community is an assemblage of different .......,whereas the biosphere is an assemblage of all ........

Rhododendron is the characteristic vegetation of

Changes in the body form of some planktonic animals with seasonal changes in temperature are grouped under

Which of the following are examples of short-term adaptation?
$(1)$ Accumulation of melanin in the skin
$(2)$ Utilization of stored fat by animals during hibernation
$(3)$ Seed dormancy
$(4)$ Phototropism of stems and geotropism of roots

$A$ group of two or more than two plant species is called as