Their shells protect them against predators and rough elements. Crabs have tight grips with their pincers, which allows them to grab hold of predators and fend them off. ... Their ability to condense their bodes enables crabs to take cover under rocks and other objects to hide from predators.
A hard outer shell offers protection against predators, in addition to the crab's claws, which they use to hunt prey or fight off predators.
Answer:
20-25 độ C
Explanation:
Đó là khoảng thuận lợi để cá chép phát triển tốt nhất
CRISPR/Cas9 is the most widely used genome editor.
Genome editing, also called gene editing, is an area of research seeking to modify genes of living organisms to improve our understanding of gene function and develop ways to use it to treat genetic or acquired diseases.
Yeast, a microscopic fungus used to make bread and alcoholic beverages, exhibits the classical shaped curve when grown in a test tube ( a). Its growth levels off as the population depletes the nutrients that are necessary for its growth.