Answer:
The sense organs in the human body are the eyes, ears, nose, tongue, and skin. The sense organs are the body organs by which humans are able to see, smell, hear, taste, and touch or feel. The five sense organs are the eyes (for seeing), nose (for smelling), ears (for hearing), tongue (for tasting), and skin (for touching or feeling).
(I'm so sorry if it's wrong)
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Answer:
Even the keeping of animals as pets represents a type of mutualism. Pet dogs (Canis familiaris) and cats (Felis catus) are fed and kept safe in domestication, while humans benefit from the companionship of these animals, and sometimes from other services, as when cats kill pest rodents.
Explanation:
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How does molecular size effect to the permeability of the membrane to that molecules?
Answer: Phagocytosis
Explanation: this is one of the various ways in which the immune system fights against bacteria and other pathogenic organisms. It does this by extending its plasma membrane outwards forming a structure like a pseudopodia which it utilises to engulf the invading organism.
I would say sexual selection
If you have options though I would feel more confident giving you my answer, if not, that's fine too.
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