Answer:
Artery, blood vessel, human heart, circulatory system, human
Explanation:
I put them in order of smallest to largest, I wasn't 100% sure that's what you wanted, but I hope this helps!
Answer:
"Nitrogen fixation is carried out naturally in soil by microorganisms termed diazotrophs that include bacteria such as Azotobacter and archaea. Some nitrogen-fixing bacteria have symbiotic relationships with plant groups, especially legumes. ... Nitrogen fixation occurs between some termites and fungi."
Explanation:
It really depend on how you look at it just like i look at your mom. you know what i mean.
Answer:
The correct answer is: a single layer of flattened cells.
Explanation:
The epithelium is one of the four basic tissues and has many important functions. <u>These functions are given by the specific characteristic of the epithelium considering its location.</u> For example, an epithelium that specializes in protection (for example, the one found in skin) has lots of layers in order to carry this task.
Epithelium that specializes in the passive diffusion of materials from one fluid to another needs to have a single layer of flattened cells: this way, <u>the fluids can diffuse easily than if the epithelium had many layers or cubical cells.</u>