Answer:
Animals communicate
-using signals, which can include visual;
-auditory, or sound-based;
- chemical, involving pheromones;
-or tactile, touch-based, cues.
- Communication behaviors can help animals find mates, establish dominance, defend territory, coordinate group behavior, and care for young.
Explanation:
The largest number of cells in division are found in the skin. This is because these cells are the ones that are most exposed so they die and are replaced constantly. In addition, it is the most extensive organ of the body and its shape or density varies from one area to another.
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Answer:
The difference in the electronegativity of two atoms determines their bond type. If the electronegativity difference is more than 1.7, the bond will have an ionic character. If the electronegativity difference is between 0.4 and 1.7, the bond will have a polar covalent character.
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1. Cell differentiation
2. Cell differentiation
3. Zygote
4. Programmed cell death
5. The cells in between were programmed to die
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The ring of fire, where most active volcanoes are, is in the <span>Pacific Ocean.</span>
