Answer:
D
Explanation:
D is the correct answer. The rest do not represent evolution / natural selection well, and penicillin's strength has remained the same.
Answer:
B) Phenotypic Ratio
Explanation:
Phenotype is the Visible expression of a Character
Also, with the help of a punet's square we will come to know to the Phenotypic Ratio is 3:1 where the purple flowers are dominant to white flowers where as if we take a Genotypic ration it doesn't show the Visible expression of a character, it only shows the genitical constituion of a character! If we take "percents", then it could be the Genotype "Percents" or Phenotype "Percents"
Freeze-thaw, onion skin (exfoliation), chemical and biological weathering
Three layers. The epidermis is the top layer of skin. This layer is for making new skin cells, provides a waterproof barrier, gives skin its color and is your protective layer. The dermis which is responsible for supply blood to your skin, hair growth, and the production of sebum (oil) and sweat. Lastly, the hypodermis which is basically made of connective tissue and fat and good for regulating your body temperature (1, 2, 3).
Answer:
Which nonspecific defense mechanism increases the resistance of cells to viral infection and slows the spread of disease?
the nonspecific defense mechanism that increases the resistance of cells to viral infection and slows the spread of disease is called phagocytic barrier
Explanation:
Phagocytic barrier helps to attack any foreign materials that enteiers the body system sych as bacteria, viruses among others.