This most definetly false. Science thrives on evidence, and anything science based needs to proven through scientific means. And theories are constantly given evidence for or against.
In essence the key to science is to always keep and open mind. Any scientist who thinks differently is not a scientist.
Answer:
passive transport and diffuision
Explanation:
it requires no energy from the cell. Examples include the diffusion of oxygen and carbon dioxide, osmosis of water, and facilitated diffusion. diffusion does not.
Answer:
D
Explanation:
Lymphocytes are the second line of defence
First line of defence indiscriminately defends against all pathogens unlike secondary response which is targeted. First line of defence refers to the external body components like skin, secretions from the body in the alimentary canel
Mucus traps pathogens. Stomach acid kills pathogens