Answer:
You have external defense systems, which include your skin, tears, mucus, saliva, stomach acid, cilia (small hairs) and helpful bacteria. The skin, nails and hair form the integumentary system, which stops dirt and pathogens from entering the body.
The answer to this is the last option i think
Answer:
Your answer is B.
Explanation:
Since elements can't exactly "die", the element rather breaks down in the soil below it, and is used again upon the next plant or animal.
Hope I helped :)
Answer:
the pH
Explanation:
The condition that should not be kept the same in each of the five test tubes is the pH.
Since <u>the aim of the experiment is to investigate the effect of pH on the activity of the lipase enzyme</u>, the pH is, therefore, the <em>independent variable</em>. Thus, it must be controlled or varied in all the test tubes in order to see its effect on the activity of the enzyme, which, in this case, would be the dependent variable.
Answer: Fungus
Explanation:
Fungi are microorgnaims characterized by the cell walls which is made of the substances known as chitin.
Most of the fungi are harmless and some of them are edible. Other fungi are infectious and can cause many fungal infections in the skin, lungs and nails of the organism.
It also causes itching, scaling and cracking of skin. Thrush is the condition which is caused by fungus Candila albicans which can infect the vagina, mouth and urinary tract.
