Aristarchus’s model not accepted because at that time it was believed that the earth was at the center of the universe.
<h3>What is Aristarchus’s model?</h3>
Aristarchus make a model by placing the place of the Sun in the middle of the solar system and placed the planets around the Sun.
So we can conclude that Aristarchus’s model not accepted because of the believed that the earth was at the center of the universe.
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Answer:
B) the river itself is the digestive system, the water flowing is the muscular system pushing the canoe (food) towards the end of the river (anus).
Explanation:
Answer:
- They are ectotherms
Ectotherms are animals that can't control their body temperature
- Their skin is covered with hair or fur
Marine mammals (whales, dolphins) don't have hair or fur, since that would create drag in the water
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Explanation:
A pandemic disease would be the most probable cause of the decrease on the genetic variation of the human population. This is because cellular metabolism and reproduction might become impossible when a particular pathogen affects a particular organism.
Correct answer - Substrate.