Explanation:
Diferencia entre las posiciones aparentes que en la bóveda terrestre tiene un astro según el punto desde donde se observa
Answer:
Ecosystems are in a constant dance as their components compete, react, evolve, migrate, and form new communities. Geological upheaval, evolution, climatic cycles, fires, storms, and population dynamics see to it that Nature is always changing.
Explanation:
Answer is D. natural selection
