The answer is B. Cnidarians
Cnidarian body has no left or right side, only tom and bottom surfaces. If you divide cnidarian a about central point, you will get equal parts. So, cnidarians are radially symmetrical animals. This group includes hydroids, jellyfish, anemones, and corals. In all groups, animals have stinging cells on tips of tentacles. They use them to capture the prey. Their name literally means stinging creatures.
<span>contractile vacuole
Contractile vacuoles are organelles that are responsible for excretion function. They perform osmoregulation which manages wastes, water and other needed materials in the cell. They are found in some prokaryoric organisms like the algae, protists, amoeba and other unicellular organisms.
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Answer:
A RISK is the chance that someone or something could be harmed by a hazard.
Explanation:
Risk is the <u>probability of experiencing harm or an adverse side effect from exposure to a hazard</u>, may it be from the workplace, environment, or property.
Hazard is anything that may be a <u>source of possible harm or damage</u> to an individual or property.
Risks within the workplace are assessed to prevent workers from possible exposure or damage, this is called <u>Risk Assessment Control</u>. Here, the <u>likelihood of a hazard occurring is determined</u>.
An example is medication errors when the nurse/s are overworked.
<em>"Overworked nurses are 15 times (for example) more likely to commit medication errors than fully-rested nurses."</em>
The likelihood of developing such errors depends on multiple factors like:
<em>"Too much work load"</em>
<em>"Huge number of patients"</em>
<em>"Lack of manpower"</em>