Yes, shrimps DO hibernate.
Answer:
<u>structure, relationship, development</u>
Explanation:
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Answer
Muscle Fiber
Explanation:
Skeletal muscle is one of three major muscle types, the others being cardiac muscle and smooth muscle. It is a form of striated muscle tissue, which is under the voluntary control of the somatic nervous system.[1] Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons.
A skeletal muscle refers to multiple bundles (fascicles) of cells joined together called muscle fibers. The fibers and muscles are surrounded by connective tissue layers called fasciae. Muscle fibers, or muscle cells, are formed from the fusion of developmental myoblasts in a process known as myogenesis. Muscle fibers are cylindrical and have more than one nucleus. They also have multiple mitochondria to meet energy needs.
Muscle fibers are in turn composed of myofibrils. The myofibrils are composed of actin and myosin filaments, repeated in units called sarcomeres, which are the basic functional units of the muscle fiber. The sarcomere is responsible for the striated appearance of skeletal muscle and forms the basic machinery necessary for muscle contraction.
Answer: (B) shared, derived traits.
Explanation:
In phylogenetic systematics, which presents itself with a character that eventually changes in descent, and presents itself with variations, which subsequently convert in the next generations. In this way, the character presence is not unique to the ancestor, but also in all heirs, however with a possible variation. This new variation or new character state is recognized as a derived condition, arose from the change in the state of the ancestral character. A derived condition has the potential to serve as a determinant for defining a new group is called apomorphy. An apomorphy can be unique to a group and is called a case of autapomorphy, or when it is shared by two or more groups it is called synapomorphy.
Answer:
Urey and miller cooked a "primordial soup" with Hadean gases, water and electricity to make <u>glucose</u>, <u>acetic acid</u>, <u>amino acids</u> and <u>lipids</u>.
Explanation:
In the Miller-Urey experiment, the aim was to reproduce the conditions of the earth before the existence of life, with the objective of demonstrating the formation of organic matter from inorganic molecules.
The scientists took water and gases present in the Hadean eon —previous to the existence of life— such as methane, carbon dioxide, hydrogen, nitrogen and even ammonia, the primordial soup. This mixture was subjected to electrical discharges, inside closed containers.
The results were some organic molecules, including glucose, acetic acid, amino acids and fatty acids. In these results the presence of macromolecules, such as proteins or nucleic acids, is not appreciated, however it was a significant contribution to the knowledge of the origin of life on earth.