Answer:
Nutrition
Explanation:
Here, the answer cannot be absorption or digestion just because they are asking about intake of food, water and minerals. Digestion is a full fledged process during which food is chemically and mechanically transformed into a form through which energy can be obtained. The oprocess of digestion requires a complete digestive system that can be as simple as a vacuole in unicellular organism like eubacterium or as specialized as those of mammals like humans. Its not just about intake of food, but process of food transformation.
On the other hand, nutrition at cellular level is the process in which nutrients are obtained in any form, whether minerals, food or water. These nutrients act as our dietry supplementation and constitute the basics of our healthy diet.
Therefore, Nutrition is the correct answer.
Hope it helps! :)
it would half to be dogs, cats, horses, chickens, ducks, geese, ants ,quails, harens ,blue jay
Answer:
Cohesion is an attractive force between same kind of molecules while adhesive force exists between different kinds of molecules. When water moves inside vascular tissue they contain cell sap. It is these two forces which keep materials in cells and water can easily move them to different parts where they are necessary.
Answer:
All of these are correct.
Explanation:
Immune system, reproductive system and nervous system are adversely affected by the contact of highly toxic chemicals because toxic chemicals have materials which is harmful for the cells that the cause of cell death or damaged the structure of the cell due to which the cell can't perform its function efficiently. All the system i.e. Immune system, reproductive system and nervous system are made up of cells so if the cells are damaged by these toxic chemicals the body systems are also negatively affected.
Answer:
3.5 billion years ago, or in the Eoarchean Era.
Explanation:
The first known single-celled organisms appeared on Earth about 3.5 billion years ago, roughly a billion years after Earth formed. More complex forms of life took longer to evolve, with the first multicellular animals not appearing until about 600 million years ago.
The earliest undisputed evidence of life on Earth dates at least from 3.5 billion years ago, during the Eoarchean Era.
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