Answer:
Infectious diseases are caused by the passing of one person to another. Corona is an example. Noninfectious diseases, they are just spread by pathogens. Good luck!
Answer:
A Sunlight enables this plant to make its own food. Soil Soil is a mixture of rock fragments, nutrients, air, water, and the decaying remains of living things.
Explanation:
The answer is 'Cambrian' explosion. This took place approximately 541 million years ago. 'Explosion' refers to the evolution of a large range of new major animal phyla. Scientists know this by the large number of diverse fossils from this period. Prior to this period, organisms were single-celled, but over the Cambrian Explosion, lasting about 80 million years, life forms diversified rapidly to resemble the life forms existing today.
Gaseous exchange is fundamental in aerobic organisms because oxygen is required to carry out cellular respiration.
<h3>What is cellular respiration?</h3>
Cellular respiration is a series of chemical reactions by which aerobic organisms interchange oxygen and carbon dioxide with their surrounding environment.
During cellular respiration, oxygen is consumed to generate ATP and carbon dioxide is released.
In conclusion, gaseous exchange is fundamental in aerobic organisms because oxygen is required to carry out cellular respiration.
Learn more about cellular respiration here:
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Answer: Mitosis results in two diploid cells that have the same genetic makeup. Meiosis results in four haploid cells that are all genetically different from each other.