b. Natural selection is an example of the major mechanism by which evolution occurs
Explanation:
The concept of evolution are both closely related in that natural selection is the major mechanism by which evolution occurs. This was proposed by Charles Darwin after his journey to the Galapagos Island on the HMS Beagle.
- Evolution is the change in the characteristics of an organism over several generations.
- Organisms evolved to in order to be at an advantage and naturally favored.
- According to Charles Darwin, organisms evolved by the process of natural selection.
- Natural selection is the process by which an organism becomes adapted to its environment.
- Organisms with desirable trait are naturally favored with competitive and reproductive advantage in the environment.
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From my notes
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1.mature shark
2. eggs
3. pups
4. new born shark
5. immature shark
then it goes on and on
A statement that would be least likely used too describe variation is
“Variation is something that moves”
That is a least likely description.
Explanation:
Naturally occurring wildfires are most frequently caused by lightning. Also, volcanic, meteor, and coal seam fires depending on the circumstances.
Answer:
Option-A
Explanation:
Hunger is the sensation felt by the advanced organisms which show that the organisms now have to eat to survive. The feeling of hunger is generated when the vagal nerves from the gastrointestinal tract to the CNS.
The feeling of hunger is not psychological but is a physiological process that is controlled by the brain and the main neuron nucleus of the brain which controls the appetite of humans lies n the hypothalamus. The hypothalamus controls the opioid receptors and neurotransmitter which controls the appetite.
Thus, Option-A is the correct answer.
