Organ systems is the answer
Answer:
It enters fish through the gills and the female attaches to the tongue, with the male attaching on the gill arches beneath and behind the female. Females are 8–29 millimetres (0.3–1.1 in) long and 4–14 mm (0.16–0.55 in) wide.
Explanation:
Mark me as brainliest
Answer:
The chemicals left over after a chemical reaction are substrates or resultants.
yellow represents carbon so there are 6 carbon atoms.
blue represents hydrogen/water atoms so
Red represents the oxygen atoms bonded to the hydrogen atoms.
Its has to be A that's just plain common sense
