When the proton number and electron number are unequal, the atom or molecule
forms a covalent bond with another atom
is an ion
becomes part of a molecule
gains or loses a proton
gains or loses a neutron

How does secondary succession differ from primary succession?

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material