Answer:
Dichotomous keys typically stress identifying species by their scientific name, as each individual species has a unique scientific name. Dichotomous are very useful because they allow non-expert users to identify organisms by directing them to look at the known, important organisms.
Explanation:
The chorion develops into the PLACENTA, a pancake-like structure that is attached to the endometrium and is about 7 inches in diameter and 1-2 inches thick.
Placenta is an organ present inside the uterus that contains the fetus and connects the fetus to the uterine wall of the mother. The fetus derives all the nutrients and food from the mother with the help of placenta.
This phenomenon is called Eclipse.
No genetic or physical maps of the genome are needed to begin shotgun cloning and is much faster.
<h3>What is Shotgun cloning?</h3>
This is a method to duplicate genomic DNA in which it is smashed into small pieces and the fragments are then taken together and cloned into a vector.
This type of cloning however is faster as there are no genetic or physical maps needed to begin the process.
Read more about Cloning here brainly.com/question/1070693
Answer: To know if a document is a primary source, check to see when the document is published, if it is an autobiography of a person, a diary, a letter, or the documents happen at the time of the event.
The competition between two organisms can be seen if there is only 1 source of food or habitat space and they're competing against each other for the food or habitat.
There is cooperation between two organisms if they are helping each other with resources or alarming each other if there is danger.
Predation between two organisms happen when one organism hunts the other organism for food.