Answer:
Cretaceous
From their earliest diversification in the Cretaceous Period (145 million to 66 million years ago), angiosperms rapidly came to dominate the land flora. Today there are more than 300,000 species of flowering plants, which account for more than 90 percent of the diversity of vascular plants.
The correct answer is: keloids
Keloids are formations of fibrous tissue that are formed over the wound to repair and protect the injury. Scar tissue overgrow and extends beyond the border of traumatized skin. Keloids are often flesh-colored, pink, or red and can cause itchy patch of skin.
The development of a rash on the genitals or the oral cavity, cold sores are also fairly common.
The connective tissues of mammalian brain is called the meninges. There are three layers of this tissue. The outer layer is called the dura mater. The arachnoid is the middle layer and the pia mater is the inner layer of it.