The central nervous system<span> (</span>CNS) is the part of the nervous system<span> consisting of the brain and spinal cord.
A. Brain
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Answer:
new species often appear at about the same time.
Explanation:
A biotic crisis or a mass extinction crisis is a rapid and widespread decrease in biodiversity. There is a clear change after the mass extinction, in the diversity and of multicellular organisms.
The correct answer in this question is letter B. Through adaptation, an organism increases its chance of survival. This intensifies the fitness of species. A population may lead to extinction if its species did not adapt to the environmental changes.
I am so sorry you have waited this long for an answer! The most common cloud type produced by warm fronts are stratus clouds.
I am not a professional, simply using prior knowledge!
<span>Thyroid and Parathyroid Glands. The thyroid is a dual lobed gland located in the neck region. It secretes hormones that control metabolism, growth, heart rate, body temperature, and regulate calcium levels. Hormones secreted by the thyroid include thyroxin, diiodothyronine, and calcitonin.</span>
