<u>Answer</u>:
The term for the ability of muscles to be slightly contracted at all times to be ready to act is Muscle tone.
<u>Explanation</u>:
Regular partial contraction of the muscle or can be said as its resistance power to stretching during the resting phase. It helps in maintaining the posture of the body. The muscle tone occurs due to the hypotonia. This happens as the muscles depends upon the motor nerve signals which can be disrupted at the brain level, spinal cord or may be due to damage of muscle nerve. It can be measured with the stiffness which acts as a resistance to that of the passive movement.
Answer:
E. only the first and second choices
Explanation:
Small animals often have smaller habitat ranges than other larger animals.
This means they have fewer places where they can survive, needing some specific environmental conditions. More specific than some bigger animals.
Small animals often have more specialized requirements for living than larger animals.
Some little changes in temperature or weather can affect a lot to some small animals and can not affect bigger ones.
Explanation:
fumes from vehicles is the most common cause of air pollution
The answer I think is the environment for this one. <span />
The answer is NO. This is because different environments require different adaptations. A desirable trait in one environment may be inconsequential or detrimental in another environment. This is the reason also why evolution is continuous as natural selection acts on traits of a population to ensure desirable traits are retained with changes in the environment in a dynamic world.
