Answer:
Biological species concept defines species as individual in a population that can interbreed and produce viable offsprings. Therefore Biological species concept is not applicable for extinct species
Morphological means in relation to structure therefore, this concept relies on similarity of structure to classify species.
Phylogenetic refers to members having the same ancestor. It classifies species according to common ancestry. Hence it will be based on evolutionary history.
Morphological and phylogenetic- Will accommodate asexual reproduction and species acceptance criteria can be subjective.
Biological, morphological and phylogenetic-Together they are used by scientists in classification
Answer:
Sand, Silt and Clay
Explanation:
The sand is most coarse so it deposits easier and more often than the clay being finest, but there would still be clay just less of it than sand
Answer: Receives food that the duodenum have been digesting;
And then begins the absorption of major nutrients as well as Vitamin B12 and bile salts.
Explanation: The duodenum which is the first section of the small intestine is where most of the chemical digestion takes place as well as absorption of iron, enzymes are been secreted from the gall bladder, pancreas, liver et cetera into the duodenum to help breakdown the fat and protein as well as further break down the carbohydrates.
The food then goes through the jejunum and lleum where absorption of major nutrients as well as Vitamin B12 and bile salts into the blood stream begins.