Answer:
What is the columbian exchange?
Explanation:
Please answer me.
Answer: Retinalogical
Explanation:
Vitamin A is a fat soluble vitamin that can be stored in the body.It belongs to the group of unsaturated organic compound which has nutritional qualities in them. Vitamin A includes retinol, retinal and retinoic acid and few provitamin A.
It has multiple functions in the body. It is very essential for eyes. It acts as the growth factor for the epithelial cells and other cells in the body.
It is also required for a good immune system inside the body.
Hence, retina logical is not an active form of Vitamin A.
Answer:
Primary producers use energy from the sun to produce
Explanation:
Primary producers use energy from the sun to produce their own food in the form of glucose, and then primary producers are eaten by primary consumers who are in turn eaten by secondary consumers, and so on, so that energy flows from one trophic level, or level of the food chain, to the next.
The answer is B) reflecting telescope
If not, my full apologies.
Answer:
Cell is the structural and functional unit of life.
Explanation:
The organisms are classified on the different characteristics basis on the similarities and differences among the organisms. On the cellular basis two main types of organism are unicellular organism and multi cellular organism.
The cell theory of the life was given by Schleiden and Schwann. The cell acts as the basic unit of life as all living organisms are made of the cell. The cell combine together to form tissue, tissue to form organs and organ system as given in the example of the cat.