Question

Birds that can fly usually have hollow, lightweight bones. Penguins, a species of flightless bird, have heavy and dense bones. Why is this an advantage?
they are less likely to be injured on the ice
their bones help them retain body heat in the cold temperatures
they are more efficient hunters in the water due to heavier bones
they are more efficient hunters on land due to heavier bones

Answer 1

Penguins are a species of flightless birds and they have heavy and dense bones, which is an advantage because of which they are more efficient hunters in the water. The correct option among all the options that are given in the question is the third option. The heavier bones of the penguins gives them advantage over the natural buoyancy of water.