Ptolemy's model was Geocentric. This means that it put the earth at the center of the solar system, instead of the sun, with all celestial objects orbiting it. The first person to prove the validity of the heliocentric theory was Nicolaus Copernicus.
Answer:
Fungi are more like animals because they are heterotrophs, as opposed to autotrophs, like plants, that make their own food. Fungi have to obtain their food, nutrients and glucose, from outside sources. The cell walls in many species of fungi contain chitin.
Explanation:
Answer:
C. Organisms are now divided into three kingdoms.
Explanation:
In the early 1860s, a German scientist named Ernst Haeckel suggested using a three kingdom system of classification. Haeckel's three kingdoms were Animalia, Plantae, and Protista.
The right answer is supplying oxygenated blood to the arteries that travel to all major body parts
Aorta is the principal artery of the body.
It starts from the left ventricle of the heart, passes through the thorax and abdomen to separate at the lower part of the abdomen, into two branches called common iliac arteries for the lower limbs. We talk about thoracic aorta then abdominal aorta along its path in relation to the anatomical position. All arteries in the body (carrying oxygenated blood) are directly or indirectly derived from the aorta except the pulmonary artery.
Hi,
the answer is Number of people / Land area.
Hope this helps!