Answer:
2. it his the best chub in changce
Explanation:
Answer:
Cells are organized into tissues, and tissues form organs. Organs are organized into organ systems such as the skeletal and muscular systems.
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Answer:
nice work
Explanation:
Most are ectothermic and covered with scales. Scales protect fish from predators and parasites and reduce friction with the water. Multiple, overlapping scales provide a flexible covering that allows fish to move easily while swimming.19 Mar 2020
Answer:
B.entire ecosystems are being destroyed
Explanation:
for the generation of new species, the present species should have to survive for the period of thousand years in order to produce and develop much better features to make them much better to survive and adapt themselves according to the time.
but in today word, the world living conditions are changing and threatening due to destruction of ecosystem by many activities performed by humans. These destruction will cause endangerment of the generation of the new species.
Answer:
Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion. The role of chemical digestion is to further degrade the molecular structure of the ingested compounds by digestive enzymes into a form that is absorbable into the bloodstream.