Answer:
Because some species of monkey evolved into a human in order to survive in an ecosystem
Explanation:
Answer: A. Multicellular life
Explanation: Multicellular organisms are compund by many cells and different type of cells. In such organisms, cells must work together for the survival of the organism. That cooperative work includes regulation of cell division and cell death, division of tasks and cell fates, for example, cells for the immune response, those for metabolism in the liver or neurons for neurotransmision, and nutrient transport.
Answer:
C. It was covered in sediment.
Explanation:
The shape of a molecule is affected by the arrangement of electrons, but does not describe that arrangement. The “shape” of a molecule is how the outside atoms are arranged around the central atom. The lone pairs of electrons affect this arrangement, but are not part of it.