Answer:
Answers are explained below...
Explanation:
1. A muscle fiber is composed up of myofibrils that contain an arrangement of sarcomeres (A sarcomere is the basic contractile unit of a myofibril...)
Moreover a sarcomere also contains actin and myosin filaments for relaxation and contraction of a muscle as a whole.
2. The motor unit of a muscle is composed up of a neuron called as motor neuron (you can guess by it's name that it serves some motor function). The axonal endings of a motor neuron are embeded in a muscular fiber. A series of nerve impulses control the action of muscle.
Sorry because of time limit...
Free energy is a composite function that balances the influence of energy vs. entropy.
A. land plants, tiny water plants
a. slug, frog, newt
b. plants, slug-insect-water fleas, frog-fish-newt, perch-fox, heron
c. water fleas, diving beetles
d. heron, perch
e. one thing that could happen if all frogs suddenly died is that there would be an overpopulation of slugs, insects, and beetles. another thing that could happen would be that foxes would only rely on getting slugs for food so the slugs would soon go extinct and the plants would possibly over populate.
hope this helps!!
THE DEFINITION IS
plural form of fungus.