The correct answer is D. Characteristic of prokaryotic and eukaryotic organisms
Explanation:
Cells are the basic unit of life as all living organisms are made of one or more cells; additionally, all cells are surrounded by a membrane and contain substances and organelles that allow them to grow, obtain nutrients, reproduce and other basic functions for life. Additionally, as cells are the basic unit of life they are characteristic of both prokaryotic and eukaryotic organisms, although the structure in cells differs in both as in prokaryotic organisms there is no defined nucleus or bounded organelles. Thus, cells are characteristic of prokaryotic and eukaryotic organisms.
Temporary disabling circumstances such as being restricted in movement and/or confined to bed as when hospitalized
The best answer is C) In ocean trenches
Ocean trenches are the deepest parts of the ocean. The greatest depth that the ocean reaches is located in the Mariana Trench.
Answer:
Explanation:
Me oxygen enters into the human body as a component of air through human nostrils. I enter into the windpipe which get divided into branchial tubes. These bronchial tubes are distributed in the lungs. The brochioles are tiny air sacs which further distributed to the alveoli. I move to alveoli and then further to the capillaries. Through capillaries i move to other body parts along with the blood.
Answer: Protozoa contaminate the water supply.
Some protozoa are parasites and cause diseases like malaria.
Protozoa have an important role in the food chain.
Protozoa are parasitic or free living single celled eukaryotic organisms. They are mostly found in water bodies.
Protozoa contaminate the water supply: Some of the protozoan species which are released from the human feces usually contaminate thee water, and causes waterborne infections in humans. Examples are Cryptosporium and Giardia. The infection occurs through drinking water or swallowing water from swimming pool.
Some protozoa are parasites and cause diseases like malaria: The Plasmodium is the genus belonging to the protozoan parasites. This malarial parasite is transmitted by female Anopheles mosquitoes to humans. The parasite multiply in the red blood cells causes symptoms like fever, anemia, flue, illness and may also cause coma and death.
Protozoa have an important role in the food chain: The protozoa species plays many roles in the food chain, they act as consumers, predators or prey, herbivores and decomposers. Their main function is to control the population of other species in the same habitat. They engulf small single celled bacteria, hence prevents excessive bacterial colonization act as predator. They also feed upon the algal species therefore, act as herbivores. They act as decomposers, as they feed upon the organic matter present in the bottom of the aquatic water body. They are the source of food for large worm and insect species.