Answer:
wow im very intrigued by your gibberish.
Variations can be genetic or environmental, the traits are passed from one generation to other generation of snail is from from both parents to offspring and through the environment.
The correct answer is C.
Explanation:
Genetic variation in an organism is passed to the offspring by its parents.
environmental variation is the the result of different environment with which individual adapt.
Natural selection is a process in which a suitable trait which is well adapted to the environment is passed on tho future generations.
Genetic variation is the change in DNA or gene of the individual trait. The tree snails having different pattern in their shells is due to the habitat they are living in.
The snails which have well adapted to the environment are able to reproduce and pass on the traits to their progeny. The variation is due to the traits passed from parents through the environment also.
Answer:
the contractile unit of a muscle cell - <em>sarcomere</em>
contains calcium that is released during a contraction- <em>Sarcoplasmic reticulum</em>
composed of a contractile protein,actin, and two regulatory proteins, troponin and tropomyosin - <em>thin myofilament</em>
Is composed of the contractile protein myosin- <em>thick myofilament</em>
the muscle cell membrane- <em>Sarcolemma</em>
Atomic number is equal to the number of protons in an atom, elements’ identity are related to the number of their protons. So, its 18
The enzyme will likely be less affective or more affective, however, it depends on what the perfect temps tire is. since this sounds like it is lowering its temp from the “ideal range”, the enzyme will be less effective!