Answer:
Single-celled organisms use cell division as their method of reproduction. Cell Division and Growth: A sea urchin begins life as a single cell that (a) divides to form two cells, visible by scanning electron microscopy.
Explanation:
Los organismos unicelulares utilizan la división celular como método de reproducción. División y crecimiento celular: un erizo de mar comienza su vida como una sola célula que (a) se divide para formar dos células, visibles mediante microscopía electrónica de barrido.
Answer:
The 4th option
a possible explanation of or answer to a scientific question
Explanation:
Answer:
A. Food
Explanation:
Water alone does not give energy, Carbon Dioxide cannot be consumed healthily, and photosynthesis is for plants.