Answer:
<h2>pulmonary trunk</h2>
Explanation:
The pulmonary valve is an important semilunar valve and found in the heart between the pulmonary artery and the right ventricle. This valve contains three cups that are responsible for the guarding of the pulmonary trunk. The pulmonary trunk is an important vessel of the heart that arises from the right ventricle and plays an important role in the circulation of the deoxygenated blood. The pulmonary trunk is called the main pulmonary artery.
1. P (because the tick is benefited but the dog isn't.)
2. M (because both organisms are benefited.)
3. P (the tapeworm is benefited but the student isn't.)
4. C (because the bird's nest is benefited and the tree is not harmed)
5. C (the hermit crab needs the sea anemones and the sea anemones is not harmed)
But yeah I gave you a few examples of (P, M, and C), so you should figure it out now.
6. C
7. P
8. M
You should make equal amount of both O2 and CO2
In plants: there’s a higher water potential in the soil than the plant so the roots hair cell from the plant takes in water from the soil via osmosis. Where the water from the soil moves down the water potential into the plant
