Answer:
cell membrane is the answer
2,500 is correct in my opinion
When Darwin returned to England aboard the HMS Beagle after his voyage to the Galapagos Islands, he used artificial selection to help gather data to justify his theory of evolution. After studying the finches on the islands, Darwin moved to raising birds, notably pigeons, back home to test his theories.
<h3>What, according to Darwin, is artificial selection?</h3>
Artificial selection is the discovery of desirable qualities in plants and animals by humans, as well as the procedures taken to improve and maintain such traits in future generations.
They may adjust an organism's properties by choosing which creatures were permitted to reproduce. . Darwin referred to this form of alteration in organisms as artificial selection.
Learn more about natural selection refer
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Answer:
The mother should know that her child at this age is not able to eat solid foods.
Explanation:
The mother needs to know that her child is not having or struggling with any weight problem and he/she can not eat solid foods. She needs to change her way of feeding him/her and start to prepare for him/her soft bread, cooked noodles, dairy foods..etc.
This movement is called diffusion
