No somethings only have one cell. they are called unicellular organisms.
B is the correct answer because the density it the salts would make the water increase therefore sink faster
True I hope this is the answer and this helps you :)
Answer:
The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype. Animals have two copies of all their chromosomes, one from each parent.
Explanation:
Tissue is a group of cells that have similar structure and that function together as a unit. ... There are four main tissue types in the body: epithelial, connective, muscle, and nervous. Each is designed for specific functions