Given food web contains some missing organisms $A, B, C$ and $D$. Identify these organisms and select the correct answer
Water plants provide ....... to water animals
Match the following:
Trophic levels | Examples |
$(A)$ First | $(a)$ Mon |
$(B)$ Second | $(b)$ Wolf |
$(C)$ Third | $(c)$ Cow |
$(D)$ Fourth | $(d)$ Phytoplankton |
Nepenthes is a