I believe it is D. More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory.
Answer:
More sunlight, more photosynthesis
Explanation:
This is because when the sunlight hits the leaves, it allows photosynthesis to occur. But when you have extended periods of sunlight, like summer, it causes photosynthesis to continue for a longer time, which causes rapid energy storage. This makes excess food for the plant which gives the plant more energy for growth and pollination.
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Eutrophication results in the death of trout and other fish as a result of asphyxiation from the lack of oxygen. Eutrophication involves the enrichment of water by nutrients salts such as phosphates, nitrates among others, that causes structural changes of the aquatic ecosystem such as; increased production of algae and aquatic plants, depletion of fish species, deterioration of water quality and other effects that impact negatively the aquatic ecosystem.
Gan đóng vai trò trung tâm trong mọi quá trình trao đổi chất trong cơ thể. Trong quá trình chuyển hóa chất béo, các tế bào gan phân hủy chất béo và tạo ra năng lượng. Chúng cũng sản xuất khoảng 800 đến 1.000 ml mật mỗi ngày.
Answer:
Throughout the years, mice' DNA has mutated and adapted to become more likely to survive in the habitat that they are in.
Explanation: