HiDAakash7 , frankly it is anoverkill to do this exercise for every sentence and every option.
However, foracademic purposes only, here goes:
i)In order to conserve the energy and heat they need to spend the entire winter sitting motionless over incubating eggs :Prepositional phrase (here, it isadverbial ). This prepositional phrase has arelative clause embedded as well:they need . All relative clause areAdjectivial .
ii)male emperor penguins huddle over the nests in groups - Main clause
...
However, foracademic purposes only, here goes:
i)In order to conserve the energy and heat they need to spend the entire winter sitting motionless over incubating eggs :Prepositional phrase (here, it isadverbial ). This prepositional phrase has arelative clause embedded as well:they need . All relative clause areAdjectivial .
ii)male emperor penguins huddle over the nests in groups - Main clause
...
