A housefly is
is an
arthopoda why​

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Explanation:

The female housefly usually mates only once and stores the sperm for later use. She lays batches of about 100 eggs on decaying organic matter such as food waste, carrion, or feces. These soon hatch into legless white larvae, known as maggots.

Arthropods as Carriers of Pathogens

Many arthropods can contaminate or spoil food. Insects such as houseflies or cockroaches may regurgitate pathogen-contaminated fluids prior to or during feeding. They may also defecate, contaminating the food with potential pathogens.

the correct answer is phenotype

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.