Natural Selection: <span>the process whereby organisms better adapted to their environment tend to survive and produce more offspring. hope this helps</span>
Answer:
Paget's disease
Explanation:
It is a chronic condition of bones understood as a disorder of the normal bone remodeling and recycling processes.
Paget's disease results in irregular thickening of bone tissue due to new bone tissue gradually replaces old bone tissue.
Paget's disease commonly affects pelvis, skull spine and legs, causing pain and deformity in them.
It also produces broken bones, hearing loss pinched nerves in the spine due to this disease increases with age.
Its 18 electron
1st orbital : maximum = 2 electrons
2nd orbital : maximum = 8 electrons
3rd orbital : maximum = 8 electrons
2+8+8 = 18 electrons
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Answer:
Pteridophytes are vascular plants but they do not produce flowers and seeds which mean their source of reproduction is unknown or hidden.
On the contrary, Spermatophytes as the name indicates, are seed bearing plants. They produced seeds and flowers. Examples are flowering plants, cactus, leather flower, buttercup and may more.
Explanation:
