Observations of organisms include
descriptions of why the organism has certain traits.
descriptions of the number, size, and arrangement of parts of the organism.
conclusions made about the characteristics of an organism.
conclusions made based on an organism’s dna.

Observation of organisms include DESCRIPTION OF THE NUMBER, SIZE AND ARRANGEMENT OF PARTS OF THE ORGANISMS.

Observation refers to the act of obtaining information from the appropriate primary source. Observation is the very first step in the series of steps that are involved in scientific method and it involves the recording of data about an observed natural phenomenon. Observation allows scientists to ask the appropriate scientific questions, to form a suitable hypothesis and to set up relevant experiments that will give appropriate answers to the questions early asked.

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.