Nutrients are substances used by an organism for the purpose of growth, reproduce and survive. These includes proteins, fats, carbohydrates, minerals and vitamins. They are used to provide energy, as structural components, regulation components such as hormones and other messengers among other functions. Proteins and fats are used for regulatory functions and control the activities of the body, these are enzymes and hormones. In this case, carbohydrates do not perform regulatory functions in the body.
The disease-causing bacteria (S strain) grew into smooth colonies on culture plates, whereas the harmless bacteria (R strain) produced colonies with rough edges. The difference in appearance made the two strains easy to tell apart. ... When he injected mice with harmless bacteria, the mice stayed healthy.
Observation of the emergency scene is the EMT<span> action that would most likely could provide information important for community health initiatives that are designed to prevent injuries.
</span><span>The observation is very important because it helps to understand the reason for sustained injury: automobile accident, electric shock, fall, fire, etc.</span>
Immune system (b)
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Answer:
B) cryptic coloration
Explanation:
The plants have developed numerous different types to protect themselves from the herbivores because they tend to damage them or even totally destroy them. The development of certain chemicals that are unpleasant or poisonous for the herbivores is one of the defense mechanisms, like the development of nicotine or the highly toxic strychnine. Also, physical defense mechanisms that hurt the herbivores like the spines or thorns have been developed, making the herbivores think twice before they try anything as they can get hurt because of them. The cryptic coloration though is not a defense mechanism of the plants, but instead it is a defense mechanism that is used by the animals. This type of coloration is protecting the animals as it managed to blend them in with the environment, thus it is very hard to spot them, or it makes their shape much different in the eyes of the predators thus confusing them.
