The answer is c hope that helped
It determines if the baby would be a girl or boy depending on the number of chromosomes provided by each party(egg and sperm)
Hello There! ^_^
Your question: What is a darker contour line usually every fifth line..?
Your answer: An indes contour is a contour line that is usually in every fifth line.
Hope this helps!
I think it'd be B.. I might be wrong tho..
The type of fertilization that one would expect to find in this specie is EXTERNAL FERTILIZATION. External fertilization is the type of fertilization in which the male sperm fertilize the female eggs out of the female's body. This type of fertilization usually occur in aquatic environment.