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.
here it is hope it helps you out...
Answer:
The answer is d
Explanation:
He picked the P plants because they were easy to work with and they grew relatively fast and they also had characteristics that he could manipulate(Brainliest please)
The answer is true letter a
Answer: important because it helps make sure no one will get hurt
Explanation:
if there weren't lab rules then people could burn themselves or get severely hurt
Ok. Any Questions? I'll be sure to answer
