Plants, Animals, Protists, fungi, archaebacteria, eubacteria
Hey there!
Pluto crossed Neptune's orbit. However, their paths do not actually cross, they just swap positions.
Hope that helps!
~Autumly
Effector, control center, receptor, and feedback are all involved in maintaining homeostasis. Lack of change is NOT involved in maintaining homeostasis.<span />
<h2>“Describe the chemical building blocks of cells.”</h2>
Cells are made up of lipids, carbohydrates, proteins, and nucleic acids. These compounds are mostly composed of carbon, hydrogen, oxygen, phosphorus, nitrogen, and sulfur. This structure makes cellular processes occur in cells successfully and help maintain the cell's integrity and homeostasis. When these chemicals undergo respiration or other processes they yield ATP as an energy source for the cells' organelles.
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<em>Hope I helped. :)</em>
<em />
<em>- Valenteer</em>
