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red squirrels and gray squirrels have been the native species on an island for many years. a few years ago, black squirrels entered this island. the
black squirrel is an invasive species, invasive species arent native to the ecosystem. they move into an ecosystem because of natural changes or
human intervention red squirrels and black squirrels have identical food requirements, but gray squirrels have a diferent diet. what three effects will
these events have on the island's squirrel population?

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

What best explains whether bromine (br) or neon (ne) is more likely to form a covalent bond? bromine forms covalent bonds because it has seven valence electrons, but neon has eight valence electrons and already fulfills the octet rule. bromine forms covalent bonds because it has many electron shells, but neon has only two electron shells and is tightly bound to its electrons. neon forms covalent bonds because it can share its valence electrons, but bromine has seven valence electrons and can gain only one more electron. neon forms covalent bonds because it has only two electron shells, but bromine has many electron shells and will lose electrons in order to fulfill the octet rule.

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous