1. A whale is different from a fish in many ways. One thing that makes a whale different is that it is a mammal. This means that it is similar to humans in that it needs air to breathe. Fish do not use air. They use their gills to breathe. This means that a whale has to come up for fresh air every few minutes. It holds its breath and can hold its breath for many minutes because of its large lungs.

Question

1.      A whale is different from a fish in many ways. One thing that makes a whale different is that it is a mammal. This means that it is similar to humans in that it needs air to breathe. Fish do not use air. They use their gills to breathe. This means that a whale has to come up for fresh air every few minutes. It holds its breath and can hold its breath for many minutes because of its large lungs.