You can elnimate the moon and mars so the answer is a star
Answer:
option B
Explanation:
On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.
do consider marking as Brainliest if this helps!!
The scrotum reacts to temperature. When it is cold, the scrotum shrinks, pulling the testes against the body to keep them warm. When it is hot, the scrotum relaxes, lowering the testes away from the body. This contractile ability of the scrotum can either raise or lower the temperature of the testes by a few degrees, ensuring that the optimum temperature for sperm production is maintained.
c is the right answer
Explanation:
hope it will helpful for you.
Mesenchymal stem <span>cells (MSC), which differentiate into osteoblasts, are located in the endosteum and inner cellular layer of the periosteum.
</span>MSC are adult stem cells<span> </span>found<span> in the bone marrow, but also can be found isolated in other tissues </span><span>including cord blood, peripheral blood, fallopian tube, and fetal liver and lung.</span>
