Answer:
Energy flows through an ecosystem in only one direction. Energy is passed from organisms at one trophic level or energy level to organisms in the next trophic level. ... Organisms need it for growth, locomotion, heating themselves, and reproduction.
Explanation:
Phe-ser-glu-ser-arg
T (thymine) should be translated into U (uracil)
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Answer:
The correct answer is B.changing muscle length
Explanation:
Isometric exercise involves the contraction of a particular muscle group without changing the length of the muscle and the affected joint does not move in the exercise. Isometric exercise helps in muscle strength because they are done in a single position without any movement.
This allows them to improve the strength of a particular position. Some of the isometric exercises are high plank, self-arm wrestling, forearm plank, low squat, etc. So isometric exercise strengthens muscles without changing the length of the muscle.
The two basic factors which are most important in determining the current appearance of a star are its mass and its stage of life. Stars are born with 75% Hydrogen and 25% Helium, with no more than 3% of that being heavier elements. A star burns its supply of elements over its lifetime, the larger the mass of the star then the greater it's brightness, luminosity and surface temperature will be. Dependant on the stage of the star's life, the color of the light will change.