Answer:
Atoms have three particles: protons, electrons, and neutrons. The nucleus contains protons and neutrons. The outside regions of the atom are called the electron shells and have electrons.
Explanation:
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<em>Spider = invertebrates </em>
<em>horse = vertebrate </em>
<em>Caterpillar = invertebrates </em>
<em>human = vertebrate </em>
<em>eagle = vertebrate </em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>
I was taught that it accura in G2.