<span>Most organisms, including humans, can't use the free gaseous form of nitrogen found in the air. We need other organisms and natural processes to "fix" nitrogen into a solid form that plants and animals can use. Most of the nitrogen that plants and animals use is made by bacteria.</span>
Answer: It's c
Explanation:
When we need more oksigen our body reacts and make heart to beat more faster so there will be more blood circulating and will compensate the dyoksid carbon that is produce with oksigen
I think all three ideas should be selected since they were all in the blue box so it seems like it’s included
The correct answer is Turgor. Turgor pressure keeps plants rigid, that is why plants are called turgid.
Answer:
A
Explanation:
They do not have highly developer senses or surely they don't have a backbone ,every animal that have a backbone isn't an inverterbate.Thy don't have an enclosed circulatory sistem neither