probably to facilitate diffusion of molecular oxygen from the air into the fish's bloodstream
Gills are composed of thousands of filaments which are covered in lamellae (only a few cells thick and contain blood capillaries). This creates a large surface area and a short distance for gas exchange.
well......cycads are only 2 or 3 cells thick the answer is cycads.
Lots.
It rarely snows in Bethlehem, and when it does snow then only a few centimeters.
the first layer is the crust.
Multipotent
We live on the crust. It is the thinnest layer of rock.
YesAnimal cells hace many lysosomes. Plant cells have only few
No. They are air breathing reptiles who have to surface to breathe.
Very few cells reproduce. that's the best answervery few cells reproduce
Multipotent
Multipotent