Question

what is an isogamy anisogamy and oogamous

Answer 1

isogamy is when the male gamete(sperm) and female gamete (ova) are of same size

anisogamy is when the male gamete and female gamete have dissimilar size

oogamous is when the ova (female gamete) is bigger (as it stores food) and non motile and the sperm (male gamete) is small in size and motile

Answer 2

hey mate here is your answer
isogamy is a type of reproduction in which the gamets can be flagellated and similar in size has seen in chlamydomonas or maybe non flagellated but similar in size has in spirogyra reproduction is called isogamy.
fusion of two gamets of this similar size as seen in some species of chlamydomonas is termed as aniosgamy
fusion between one large non motile female gammat and a smaller botta nail gammat is termed as infamous examples are Volvo and fucus