Answer:
True and The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants
Answer:
C- Parental traits blend like colors of paint to produce offspring
Explanation:
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Answer:
Coloring is important to survival because it could be bright as in a warning or camouflage so the animals arent easily spotted
Answer:
Elements are made up of only one type of atom.
Each element has a unique chemical symbol.
Elements can be identified by their atomic number.