Occurs naturally on earth
The viral uses the host cell to make new viral parts .
Answer:
Males are XY(have one X chromosome) so, when it comes to X linked diseases, they express everything that is on that chromosome. They only need one copy. Females need 2 copies of the recessive allele in order to have the same condition.
The answer is A, 'a mammal' because it goes with the copulative verb 'to be', i. e., 'is'.
Limiting factors determine the carrying capacity Hope this helps :)
