Populations evolve and individual organisms do not. Evolution occurs through natural selection and survival of the fittest as populations evolve traits that better suit their environment.
Answer:
North Atlantic current
Explanation:
The Gulf Stream through its northern extension the North Atlantic Drift produces warm and swift Atlantic ocean current which originates in the Gulf of Mexico all the way to the tip of Florida.
It also follows the eastern coastlines of the United States and Newfoundland before entering the Atlantic Ocean as the North Atlantic Current.
Answer:
Spikes are found on some viruses. They are very consistent in structure and can be used for identification.
Explanation:
Viruses have varied structures. A virus particle is composed of DNA or RNA that is inside a protective layer of protein called a capsid. The shape of the capsid can vary from one type of virus to another. The capsid is composed of proteins that are encoded by viral genes within the virus genome.
Answer:
<h2>A shadow is an area where direct light from a relatively small source is blocked by some opaque object. If the source is genuinely the only light around, the shadow will be absolutely black, and will have no colour.</h2>
