The body's first line of defense is the mucous membranes
Answer:
A.
Explanation:
If there are no decompsers, then B. D is mostly likely decompsers. C is most likely the plants. B, is the insect, also the primary consumer. A, should be the bird, if the decompser is included.
Bright flowers because that would attract insects to land and gather nectar and the pollen gets on them and travels to other flowers<span />
What type of mutation has occurred in figure 12-3?
Answer= substitution
Answer:
a. All of these
Explanation:
<em>The characteristic of skin that makes it unpleasant for most bacteria would be due to all of the conditions.</em>
Most bacteria require humid condition in order to grow and as such, the desiccated nature of the normal human skin makes it difficult for them to establish themselves and grow on it.
The pH of the skin is usually acidic due to the production of lactic acid during sweating and the activities of the normal skin bacteria. The acidic pH hinders the growth of bacteria that can potentially become pathogenic to the skin.
Also, the skin produce antimicrobial substances at low pH which hinders the growth of pathogenic bacteria.
Hence, options b, c, and d are correct.
