The answer to this is The Females give birth to live young and their endoskeleton is made up of chitin.
The statement they breathe using gills isn't the right answer because that is part of fishes not a mammal and fishes lay eggs not live young.
The statement the females have mammary glands isn't right because only male mammals have that.
So your true statement is The females give birth to live young and their endoskeleton is made up of chitin.
Hope this helped :)
Have a great day
This is called the posterior nasal aperture
Answer:
Cell membrane can be described as the membrane which is present outside the cell or which separates the cell from the external environment. For an enzyme to pass through the external environment, it will have to pass through the ribosomes and the cell membrane.
I believe It's Plant developments on a layer of rock deposits.