Which of the following is not a biotic component
Phytoplankton
Herbivores
Light
Bacteria
O soil layer is rich in
Most living organisms cannot survive at temperature above $45\,^{\circ} \mathrm{C}$ . How are some microbes able to live in habitats with temperatures exceeding $100\,^{\circ} \mathrm{C} ?$
If a marine fish is placed in a fresh water aquarium, will the fish be able to survive? Why or why not?
Biological concept of species is mainly based on
Constant grazing and browsing in an area may ultimately result in the formation of