Plankton is part of an aquatic ecosystem
Answer:
Membrane B, because it is composed of unsaturated fatty acids that have one or more bends, which prevent tight packing.
Answer:
Subpapillary plexus nourishes the dermal papillae and epidermis.
Explanation:
The superficial subpapillary plexus could also be regarded to as superficial plexus
. It is composed of postcapillary venules found at the junction of the papillary and reticular dermis and the lower plexus at the dermal subcutaneous interface. It lies below the dermal papillae, and supplies the capillaries in the dermal papillae. The pink color of skin is mainly due to the blood seen in venules of this plexus.
So... I have'nt done this since November, but hope this helps.
1. A
2. A or B (most likely A)
3.B
4.B
