Answer:
The key difference between angiosperms and gymnosperms is how their seeds are developed. The seeds of angiosperms develop in the ovaries of flowers and are surrounded by a protective fruit. Gymnosperm seeds are usually formed in unisexual cones, known as strobili, and the plants lack fruits and flowers.
pressure would be described as the force that is on an object
When levels decrease, the parathyroid releases hormones.
B.) Electrons are attracted to PROTONS
Epidermis contain blood vessels and nerve endings