Autotrophs
Make their own food
Are the base of the food chain
Are primary producers
All of the above
Assertion : A network of food chains existing together in an ecosystem is known as food web.
Reason : An animal like kite cannot be a part of a food web.
Plants capture only.................percent of $PAR$
Abyssal zone of oceans is characterized by
The percentage of light energy utilized for photosynthesis by higher plants is
Match the columns:
Column - $I$ | Column - $II$ |
$(a)$ Saprotrophs | $(i)$ He makes his food |
$(b)$ Omnivores | $(ii)$ Dependent on dead |
$(c)$ Autotrophs | $(iii)$ Eat other animals for food |
$(d)$ Vegetarian | $(iv)$ Fertilizers for plants |