Answer:
B
Explanation:
Natural selection and selective breeding can cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason, selective breeding is sometimes called artificial selection.
Because it is both dead and alive !!
When outside the host , it is inactive or dead , but as it goes inside the host , it starts multiplying by hijacking the genetic machinery of the host cell !!
this property makes the virus unique of all !!
Answer:
The answer is D
Explanation: Dogs are endothermic, meaning they can make their own heat by burning brown fat, the fat that is used to generate heat. This is caused by an external stimulus