Answer:
The correct answer is multicellular organisms.
Explanation:
Organs are differentiated structure formed by group of cells and tissues to perform the similar functions. When more than two organs perform specific function in a coordinated manner they form organ system.
Tissues and organs are a characteristic feature of multicellular organisms as more than one cell is present in these organisms and these cells aggregate together to form tissues, which further aggregate to form different organs carrying out the different functions attaining complexity.
Since, unicellular organisms do not have more than one cell, unicellular cells do not form tissues and lack organs.
Thus, the correct answer is multicellular organisms.
which is absent in unicellular organisms.
Answer:
Noroviruses
Explanation:
The term "gastroenteritis" refers to irritation and inflammation of the digestive tract, including the stomach and intestines. The most common causes are viral agents, bacteria, parasites and food poisoning, and the most common complaints are diarrhea, abdominal pain, cramps, nausea and vomiting. Noroviruses are the leading cause of adult gastroenteritis in North America and are responsible for projectile vomiting in infected individuals.
Answer:
A) Mosses, Annelids, Conifers, Chordates
Explanation:
Annelids, chordates, cnidarians, mollusks, arthropods, and echinoderms belong to animal kingdom ANAMELIA.
Animals get the nitrogen they need by eating plants or other animals that contain nitrogen. When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use.
