<span>Some of the plants that made up coal were various ferns, and trees that no longer exist, like the lepidodendron, which was a scaly trunk with no limbs. Calamites, which are similar to the horsetail plant seen today. Seed ferns and glossopterids, also now extinct, were a basis for coal composition.</span>
The medulla I believe??? “:) hope this helps!
Answer:
development, growth and reproduction that a living thing goes through.
Explanation:
A life cycle refers to the stages of development, growth and reproduction that a living thing goes through. Every butterfly goes through four stages of development: (1) egg, (2) larva, (3) pupa and (4) adult. This process of development is called metamorphosis.