1. The oxygen requirements of an animal cannot be met by the process of diffusion as diffusion is a very slow process. To overcome this, multicellular organisms have specialized cells and tissues for performing various necessary functions of the body such as intake of oxygen and food.
2. What criteria do we use to decide whether something is alive? Any visible movement such as walking, breathing, or growing is generally used to decide whether something is alive or not. However, a living organism can also have movements, which are not visible to the naked eye.
3. An organism uses outside raw materials mostly in the form of food and oxygen. The raw materials required by an organism can be quite varied depending on the complexity of the organism and its environment.
4. The various processes essential for maintaining life are nutrition, respiration, transportation, excretion, control and coordination.
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people procrastinate because they're avoiding something they know will make them emotionally unpleasant by doing that task, so instead, they do something that provides a temporary mood boost. Procrastination itself causes shame and guilt, leading people to procrastinate even further.
your physical abilities rely a lot on your mental strength, if you feel like you've been procrastinating, try doing things to boost your overall mental health.
Help ease people through the withdrawal process.
Answer: Landscape
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Answer:
Lysosome (more info below)
Explanation:
the Lysosome’s main job is to transport undigested material to the cell membrane for excretion from the cell. They digest excess or worn out organelles, food particles, and engulfed viruses or bacteria. Lysosomes are like the stomach of the cell.
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