Although the operation of natural selection requires that genotypes differ in fitness, for some geneticists it seems easier to understand natural selection than fitness. Partly this reflects the fact that the word “fitness” has been used to mean subtly different things. Here I distinguish among these meanings (e.g., individual versus absolute versus relative fitness) and explain how evolutionary geneticists use fitness to predict changes in the genetic composition
D because they have the same materials but different structure which mean different functions
Skin cancer often appear as change in skin, such as a growth, irritation, or sore that does not heal or as a change in a wart or mole.
<h3>What is Cancer?</h3>
This is referred as a medical condition in which cells of the body divide in an uncontrollable manner and then spreads to other parts which makes it dangerous.
It also occurs in different types of forms such as a growth, irritation, or sore that does not heal or as a change in a wart or mole which is why special attention and observation is needed for quick detection and treatment in other to increase survival chances.
Cancerous cells compete with healthy cells for nutrients and other resources in the body and are usually treated through chemotherapy or radiotherapy which helps in killing the cancer cells.
Read more about Cancer here brainly.com/question/11710623
#SPJ1
Answer:
what are your choices becasuse
Explanation:
there are types like oil pollution radioactive waste urban devlopement plastics
Chloride and sodium, I believe. Chloride and Sodium are believed to be salty, and this concentration makes up 90% of all dissolved ions in the ocean.