Because they have power to move.
Answer:
B. That all organisms are related to one another
Answer:
The answer is peer review. <u><em>Peer review </em></u> is the evaluation of scientific research, creative work, or performance by other people in the same field in order to maintain or enhance the quality of the work or performance in that field,
Explanation:
Evaluation of a producer's work by people having the same knowledge or subjects is termed as peer review. Science is an important subject and researches made in this field if made correctly can be very beneficial to humans and earth. But is researches that are conducted are wrongly approved then they can have adverse effects on humans and earth. Hence, any work or scientific research must have a positive peer review.
a). Calcium ion and ATP
Explanation:
The excitation and contraction of the muscles takes place by Action potential creation.
The muscle contraction is initiated when calcium ions binds to troponin. The binding of calcium with protein complex troponin changes the configuraton to make actin sites active for ATP binding. This binding causes myosin to reach the state of high energy ( excitation), in which myosin head gets detach from the active site.
Explanation:
It is called a convergent boundary, where to plates collide or move below each other.
Volcanoes and mountains form as a result of convergent boundaries.
Hope it helps.
