Answer:
The process is called external respiration
The animals that live in the Alpine biome have to have special adaptations to survive in it as this is a biome with very harsh conditions for big portion of the year. The temperatures are very low, the winds are strong, winter lasts for half a year or more, and there's lot of snow. All this has made the animals to develop certain traits to help them survive. Some of those adaptations are:
- thicker and longer fur for better isolation form the outside conditions
- wider paws with denser and tougher skin, helping them to move easier in the snow and avoid frostbite
- larger lungs and nostrils for easier breathing in the high altitudes
- stockier bodies so that heat can be preserved easier
- the ears and tails are small and rounded in order to avoid frost bite
- big portion of them are able to hibernate for several months
Answer:
A molecule is two or more atoms bonded together to form a single chemical entity.
Contractile proteins<span> generate force for muscle contraction. The two </span>contractile proteins<span> in myofibrils are actin (part of the thin filament) and myosin (part of the thick filament)</span>
Answer:
A
Explanation:
Evoulousion's meaning is the changing of a species over a period of time.
