<u>Answer</u>: A) They have been geographically isolated from each other for a longer time.
<u>Explanation</u>: An isthmus is defined as a narrow strip of land that separates two bodies of water as well as connecting two larger landmasses at the same time. Thus, an isthmus if an efficient physical barrier that has separated an original shrimp species. This has resulted in the extant deep-water shrimp species through the evolutionary process known as allopatric speciation.
The age of an isthmus is in the range of at least two million years. Thus, the two deep-water shrimp species have been separated from each other for a very long time.
Answer:
Los fotorreceptores son neuronas especializadas sensibles a la luz, localizadas en la retina externa de los vertebrados. Los conos y bastones son unas de las células mas especializadas y complejas de nuestro cuerpo. Realizan la conversión de la luz en impulsos nerviosos que el cerebro transforma en imágenes.
Explanation:
Medicine is that branch of science that helps us to know a human body and treat it in the right way to stay healthy as long as possible. So there are different factors which intrigue a person to chose medicine as their career of choice.
<h3><u>Explanation:</u></h3>
Medicine practically deals with knowledge about different disabilities as well as diseases that can attack a person to disturb his normal way of life. And for knowing the diseases, the medical practitioner needs to the normal functions of human body too. This fact attracts many person who are keen to know which mechanisms are going inside their body without even their knowledge.
Medicine also deals with different chemicals and compounds that are actually helpful in curing a disease. Thus, helping a person who is suffering from so much of pain because of a disease is so satisfying. There are many doctors who actually help different poor people who can't afford a good medical treatment. So medicine as a career is full of knowledge and experience, so worth taking as well.
The answer would be D, as even though both velocity and speed may share similar resultants in this scenario, speed is a scalar, while velocity is a vector. Thus, velocity can have direction and move negatively (the opposite direction from which it started) while speed is a measurement of quantity.
Answer: Glucose, fructose, and galactose each has twice the number of hydrogen atoms as the number of oxygen atoms.
Explanation: I hope this help