It requires water to breed since the sperms requires water to swim
there might be zero chances of the sperm coming in contact with the eggs
a larger percentage of gametes unfertilised and are wasted
there are a lot of environmental hazards
Answer:
skin cells and muscles divide
Explanation: common sense cse we grow
Genetics, double helix, cells
Pure and accurately labeled.
Hope this helps!
A phylogeny is an evolutionary ”tree” of related
organisms that can be constructed by using
information obtained from the genetic material.
Genetic information is contained in all living cells,
in the form of long DNA molecules that take the
shape of connected double- stranded spirals
(DNA stands for deoxyribonucleic acid). DNA
spirals, or “helixes”, are tightly compressed in the
nucleus of every cell. Their information is
organized into a code made up of four small
molecules — the building blocks of DNA. The
molecules, called nucleotides, are labelled:
A (adenine), C (cytosine), G (guanine) and T
(thymine).
It is possible to draw conclusions about the
evolution of a group of plant or animal species,
and the relationships among them, by comparing
selected pieces of DNA.
