Answer:
The three layers of smooth muscle consist of the outer longitudinal, the middle circular, and the inner oblique muscles. Construction of these muscles helps mix and break the contents into a suspension of nutrients called chyme and propels it into the duodenum.
Starfish has a endoskeleton
a coral has a exoskeleton
sponge has neither
Answer:
Homeostasis is the ability to maintain a relatively stable internal state that persists despite changes in the world outside. All living organisms, from plants to puppies to people, must regulate their internal environment to process energy and ultimately survive.
Changes to the classification system have meant that the classification of some species of organisms has changed too. The system had to be changed to incorporate this new group or organisms.
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The structure that are subunits of ribosomes manufactured in the nucleolus, inside the nucleus.
In eukaryotes the ribosomes are produced and assembled in the nucleolus. Here, the ribosomal proteins enters the nucleolus and combines with new four ribosomal RNA strand and create the two ribosomal subunit one is larger subunit 60s and another is smaller subunit 40s.
Then the ribosomes are connected by the 12 molecular bridges and both unit overlap to form 80s ribosome. The assembly of the ribosomes also took place in the nucleolus. Now the ribosomes undergoes the translation, formation of proteins.
To learn more about ribosomes here
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