Muscle contraction happens only when the energy molecule called adenosine triphosphate (ATP) is present
Homologous chromosomes, is a pair of chromosome connected by a centromere. In sexual reproduction, the chromosome of the mother and the chromosome of the father pairs together.
It's 58 to 68 days
It is known as Gestation period
Answer:
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
The statement about the tundra that is true is that there are two main categories of the tundra biome.
