Only 1- the experiment can not show a cause and effect relationship if there are more than one factors contributing to the outcome.
The answer would be the muscle fiber because it's the small part of the contracting unit.
Answer:
If they are different, the organism is heterozygous at that locus. If one allele is missing, it is hemizygous, and, if both alleles are missing, it is nullizygous. The DNA sequence of a gene often varies from one individual to another. Those variations are called alleles.
It should occur in both but mostly the TROPICS because the higher amounts of heat which would make it easier to evaporate greater amounts and bodies of water.
Answer:
the answer is vertebral bones
Explanation:
the vertebral bones surrounded our spinal cord and our skull acts as an internal crash helmet to protect our brain