Coral reefs are home to a quarter of all marine species on earth. what is one consequence of declining coral reefs?

Marine life decreases and the food chain will have e a drastic change as well

option number one would be youre best option

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .