<span>Some of the plants that made up coal were various ferns, and trees that no longer exist, like the lepidodendron, which was a scaly trunk with no limbs. Calamites, which are similar to the horsetail plant seen today. Seed ferns and glossopterids, also now extinct, were a basis for coal composition.</span>
Germ cells contain a complete set of 46 chromosomes (23 maternal chromosomes and 23 paternal chromosomes). By the end of meiosis, the resulting reproductive cells, or gametes, each have 23 genetically unique chromosomes. The overall process of meiosis produces four daughter cells from one single parent cell
I think it is the last choice that you put down. hopefully that helps.
Answer:
osmoregulation
Explanation:
paramecium determine excess water by osmoregulation
To find the density of an object, divide the mass by the volume. To find the density of the object in your problem, use a calculator to divide 60.0 by 400.0