Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat etc.
true.
Answer:
Ecology is the study of how organisms interact with one another and with their physical environment.
Explanation:
Potassium holds an important function in both cell and energy-related functions. Potassium is considered to be one of the important blood minerals. Potassium regulates the balance of both water and acid in our blood and body tissues. Food which are high in potassium include white beans, spinach, plain yogurt, broccoli, sweet potato milk, bacon, oranges and many more. One should avoid the excessive intake of salt because too much intake of salt in the body may cause complications or illnesses in our body. Some illnesses caused by too much salt in the body are fluid retention, high blood pressure, Kidney problems and heart failure.
Answer:
The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms
Explanation:
Answer:
4) It allows the exchange of nutrients between the embryo and the mother, while at the same time filtering out harmful material.
Explanation:
The placenta is an organ present in all mammals. She is confirmed between the 6th and 8th week of pregnancy and has as main function the exchange of substances between the mother and the fetus. Among these substances are nutrients, gases and even secretions. The placenta also has the function of fighting infections and promoting immunity to the fetus, in addition, it can act as the lung, the intestine and the liver, while the fetus does not develop its organs.
