A lake is a component of the hydrosphere, which is a naturally occurring body of water filled within the lake basin (lake bed) with water and does not have a direct connection with the sea (ocean).
Eagles are a genus of birds of prey from the eagle subfamily of the hawk family.
Animals are a traditionally (since the time of Aristotle) distinguished category of organisms, currently considered as a biological kingdom. Animals are the main object of zoology study.
Nature is the material world of the universe, in fact — the main object of the study of natural sciences. In everyday life, the word "nature" is often used in the meaning of natural habitat.
Christmas tree a tree decorated for Christmas
Nature is the material world of the universe, in fact, the main object of the study of natural sciences. In everyday life, the word "nature" is often used in the meaning of natural habitat.