Homologous
The fins of fishes and flipper of a whale are homologous structures since they have different structure but similar structure
Climate change and biodiversity are two completely different things. In some areas, climate change will increase biodiversity, allowing more species to live in certain climates, but it will make some species lose their habitats. Biodiversity helps ecosystems thrive, and generally keeps things in balance. However, introducing too many species in an area can cause increase competition for food, risking predators of different species to kill one another off. Both climate change and biodiversity can be good and bad.
Answer: C. It can help some species and hurt others.
Water is in the hydrosphere
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Answer: The answer is A
Explanation: Carbon IS abundant on the earth's surface.
