The reason why a dichotomous key to identify organism is valuable, is because it helps you classify organisms,it helps you identify eco -systems, it helps you analyze an organism's traits.
Explanation:
A dichotomous key is a skill that has been brought about by scientists, to help people to identify and classify organisms.
In Dichotomous key, the main way of identifying an object is by it scientific name.This is because, though two objects might look similar to each other but they might belong to a whole different species.
So, it is is easier to identify the organism from its scientific name, as it will tell us which species it belongs to.
This key is very useful to people who are novice, and don't know much about identifying an organism.
This key also helps identifying, whether an organism belongs to a particular closely related group of organisms or is a separate organism.
It helps one analyze the traits of an organism, and based on their characteristics, it will help you identify and classify the species of the object or organism.
Answer:
Layer A is the crust and Layer B is the mantle.
Bacteria !!!!!!!!!!!!!!!!!!!!!
Answer:
<u><em>Trisomy X, also known as triple X syndrome and 47,XXX, is characterized by the presence of an extra X chromosome in each cell of a female. Those affected are often taller than average.</em></u>
<u><em>Klinefelter syndrome (sometimes called Klinefelter's, KS or XXY) is where boys and men are born with an extra X chromosome. Chromosomes are packages of genes found in every cell in the body. There are 2 types of chromosome, called the sex chromosomes, that determine the genetic sex of a baby.</em></u>
Explanation:
I would go with D, speaker. A poem is written by an author, but the author isn't always the speaker.
