The answer is B Adipose tissue.
We know that it cant be C or D
And A was wrong.
The nutrients get to the cells in a flatworms solid acoelomate body by diffusion process. Flatworms feed primarily on protozoa and bacteria, smaller worms and tiny organisms, dead or alive, that they come across. Based on the species of the flatworms , they also consume plant materials. They rely on diffusion to transport oxygen and nutrients to their internal tissues.
White blood cells ( lymphocytes is correct though)
The amount<span> of guanine </span>always equals the amount of cytosine<span>.
</span>
