Answer:
a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
What polar bears do to keep their temperature at a steady pace in cold temperatures is that they eat enough food to have a steady source and supply/constant amount of fat. Fat acts as an insulating agent and bears have plenty of it. This also explain why a lot of other animals who live in very cold climates have a lot of fat on their bodies.
Answer:
Human being plays a key role to maintain ecological balance because they have the highest thinking capacity as compared to other living organisms. Sufficient food availability to all living organisms and their stability reflect the existence of ecological balance.
Explanation:
They are called heterotrophs
Organisms that DO use the sun for energy are called autotrophs
Hint: Auto- Automatic- Autotroph (It automatically happens)
Hope this helps you :)