Answer:
Having as wide a range of organisms as possible.
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Answer:
Organ systems & their main functions
Explanation:
The chest bones Rib Cage & spine - protects the vital organs (heart, lung,liver) from injury & provides structural support for body.
Skin is the body's first line of defense & keeps the body warm. In case of any invading infection, fever - body temperature rise fights it.
Circulatory system (containing heart) & its body fluid blood - transports nutrients and oxygen to body cells
Endocrine system regulates growth, produces hormones - that target organs via bloodstream.
Answer: 1
Explanation:
The number of times a machine increases a force exerted on it The input force will be the same as the output force.
D. Electron cloud allowed the particles to pass through
