Answer:
Hey hope this helps.
Explanation:
It allows the process of respiration to occur. For humans we inhale oxygen and exhale carbon dioxide. For the flatworm it does the same it inhales oxygen and exhales carbon dioxide. Now for a fern since it is a plant it can not take in oxygen it can only release it. This happens through photosynthesis. It is where plants take in the carbon dioxide and release oxygen.
Answer:
D. brain stem
Explanation:
i am 100% sure because I learned this last year! hope this helps!!
The type of molecule pictured here is a lipid.
A lava fountain is an example of the amount of heat stored in the Earth. Geysers, lava mountains and hot springs are all natural examples of geothermal energy.
Answer:
Explanation:
1st one is Eyeball too long
2ed one is Eyeball too short
3rd one is Improper Cone cell
4th one is Missshapen corena
The 5th one is Increased pressure in the eyes