Rocks,water,pebbles = Abiotic
Fish =Biotic
Answer:
c
Explanation:
Most DNA is located in the cell nucleus (where it is called nuclear DNA)
If there was not a constant Input of energy into the ecosystem then nothing would have the power to do anything and nothing would be alive. the energy starts with the sun, then goes to plants, then animals that eat the plants, and then the animals that eat those animals, Ect. if this chain reaction did not happen then the plants wouldn't have to power to go through photosynthesis and then we would get no energy. the amount of energy lessen with every chain that it goes through, this is why we get more energy eating plants and why they are healthier.
They are very very strong tides they have nothing to do with the season spring they occur when the sun moon and Earth are in a line., the gravitational forces of the Moon and the Sun both contribute to the Tides. spring tides occur during a new moon or full moon
They form memory cells in which those cells remember the same pathogen for faster antibody production, in aid of future infections.
