Digestion of fats starts I small intestine so the answer is Fat.
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.
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Answer:
Pax6 is an evolutionarily conserved transcription factor that activates genes involved in eye development in several animal groups ranging from vertebrates to invertebrates
Explanation:
The Paired box 6 (Pax6) gene is a conserved transcriptional factor involved in regulating eye development across bilaterian species. This homeotic master gene may also play different functional roles in different animal groups. For example, in vertebrates, Pax6 is also required for the formation of the central nervous system (CNS) and pancreas. In invertebrates, Pax6 homologs are responsible for the development of nonocular head structures. In <em>Drosophila</em>, there are two homologs of the Pax6 gene, eyeless (ey) and twin of eyeless (toy), which are involved in eye specification and cell proliferation, respectively.
