Answer: Some adaptations that polar bear have to survive easily in tundra region are:
They have two layers of fur. Both the fur have different colors. One of the fur is white in color so that the bears can easily camouflage with the white snow that is present in the tundra region.
They have a layer of fat on their body which helps them to survive in colder region.
They hide in caves during the time of pregnancy to protect their children from danger.
Organisms differ in how they obtain energy, and they are classified as autotrophs or heterotrophs based on how they obtain their energy in an ecosystem. ... organisms that contain chlorophyll absorb energy during photosynthesis and use it to convert the inorganic substance carbon dioxide and water to organic molecules. Why?
