If water does not contain carbon atoms in its structure, why is it considered a fundamental biomolecule for the development of living organisms?
Answer: C
Explanation: A testcross is a mating between an individual of unknown genotype and an individual homozygous recessive for the trait of interest.
It can determine if the individual being tested is homozygous dominant or heterozygous dominant.
Answer:
C.Lizards evolved after sponges
Explanation:
The aquatic animal's respiratory system is different from the human respiratory system because the aquatic animals have gills while the human has lungs.
<h3>What is respiratory system?</h3>
The respiratory system is one of the major systems of the body that helps in the intake of oxygen and removal of carbondioxide as waste products from the body.
The aquatic animals are those animals that live, reproduce and survive in the water while human survive in the terrestrial ecosystem.
Due to the difference in the ecosystem existing between the aquatic animals and humans, they have different respiratory system that functions differently too.
The aquatic animals possess gills which can absorb oxygen from water while the human has lungs which allows the diffuser of oxygen with release of carbon dioxide.
Learn more about respiration here:
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