Inorder to build the raft you have to find things that can float. You can use bamboo or alloottt of sticks . You don't want to make it to heavy or it might sink. You have to use somthing to tie it all together and make sure it will hold u. The water with push your raft up because it will have air between it and the water.
The answer is polygenic inheritance.
Polygenic inheritance is responsible for traits that are controlled by two or more genes. It is also called multiple gene inheritance. Examples of polygenic inheritance are height, weight, skin color, eye color.
Since a great number of genes control one trait, it is expected that each one has<span> a relatively small effect</span>
Answer: Sickle cell anemia is a molecular and genetic disease.
Sickle cell anemia is not infectious
Diseases caused by microorganisms are infectious.
Explanation: Sickle cell disease is a molecular disease,it involves molecular change in the structure of the molecular base present in the molecule DNA which caused the amino acids and the beta side of the hemoglobin to change accordingly.
It is genetic as it can be transferred from one generation to the next, children can inherit it from their parents.
A person can not be infected with Sickle cell anemia,it is not infectious unlike diseases caused by microorganisms that can infect others who come in contact with the disease either through blood or other routes.
when a prokaryote reproduces, it will duplicate its self and make another one just like it. like a carbon copy. they dont get to be diverse because they dont reproduce sexually, which would mix up genes making it more diverse.
A mangrove is a tree or shrub that grow in tropical coastal swaps and mangroves are keystone species. Because crabs is one of them
