Ans: UV light could affect the size of a plant due to photosynthesis.
The respiratory structure that comprises a cartilage as well as the ligaments would be the trachea which is the answer. The trachea which is known as windpipe is a tube connecting pharynx and larynx into the lungs allowing the air to pass through.
Mollusca is a Phylum/Division in which animals are soft body with a thick skin called Mantle. They also have Antennae and muscular foot underside their body.
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