Limnetic, profundal, littoral, and benthic have what in common? a.
They refer to the upper-level zones found in salt- and freshwater ecosystems.
b.
They are all zones found in freshwater systems.
c.
They refer to the lower-level zones found in $alt- and freshwater ecosystems.
d.
They are all zones found in $alt water systems.

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

cutt.ly/wzUiVyK

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle