Keratin is responsible for skin color. The more the melanin in the skin, the darker the skin color of the person. Collagen and keratin makes up nails and hairs. Elastin is a connective tissue that connects the epidermis and the dermis. The dermal papillae nourishes the root hairs.
<u><em>Similarities:</em></u>
<u><em>They both transform nutrients.</em></u>
<u><em>They both send water to leaves.</em></u>
<u><em>They are hard Tubes</em></u>
<u><em>Difference:</em></u>
<u><em>The roots are sticked to the ground.</em></u>
<u><em>The stem holds leaves.</em></u>
<u><em>The stem is green while the roots are brown</em></u>
<u><em>The stem sucks air while the roots suck water.</em></u>
The plant with die without oxygen and photosynthesis the two main needs.
Angiosperms have seeds that are enclosed within an ovary (usually a fruit), while gymnosperms have no flowers or fruits, and have unenclosed or “naked” seeds on the surface of scales or leaves.
Gymnosperm seeds are often configured as cones.
