Answer:
they can fly , which requires alot of energy & keep their body warm with their feathers
Answer:
Each cell has a unique chemical composition
Explanation:
All the other answers are apart of the modern cell theory.
Answer:
Explanation:which location and also send the diagram, but there some processes like evaporation, condensation etc.
Answer:
a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.
Explanation:
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Answer:
pacemaker cells.
Explanation:
Cardiac muscle tissue works to keep your heart pumping through involuntary movements. This is one feature that differentiates it from skeletal muscle tissue, which you can control. It does this through specialized cells called pacemaker cells.
