Yes all animals humans and bugs have hearts
When houseflies try to imitate wasps, it is mullerian mimicry.
Answer:
Sponges, the members of the phylum Porifera, are a basal animal clade as a sister of the Diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells
Explanation:
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Evolution. The beaks evolved to promote survival
