Xylem and phloem are the two tissues that are found within a vein.
Xylem carries water, and phloem carries food, or glucose.
It's phase contrast microscopy
Because you need to contrast to see the specimen
The nitrogen cycle is impacted by humanswhenever fertilizer is applied to farmland to help crops grow. This adds nitrates to the soil. If soil erodes, the nitrates are transported and deposited in the nearest body of water. This can cause algae to overgrow in a process called eutrophication. The lake will run out of oxygen as the algae die off and bacteria begin their decomposition.Sessile organisms are greatly affected.
Testosterone and serotonin are the two hormones consistently related to high levels of aggression.
The color of the cat
The color has nothing to do with how much the cat eats
