Both dolphins and whales still have their hip (pelvic) bones present. These bones connect and transfer the weight of the trunk to the lower limbs.
Thus, <em>the presence of the pelvic bone may indicate that whales had ancestors that walked on land</em>.
Deforestation speeds up the process of soil erosion because trees are vital in keeping soil intact. The roots of trees help prevent soil erosion because they absorb the water in soil. If there are no trees to absorb the water, flooding can happen more. In turn, flooding can cause the soil to weaken and this can cause landslides and other natural disasters.
Answer:
Marine biotechnology may include techniques such as bioprocessing, bioharvesting, bioprospecting, bioremediation, using bioreactors etc (so called process biotechnology techniques); aquaculture/fisheries; gene, protein, or other molecule based techniques; while applications may include: health, food, cosmetics
