Question

1. the smallest unit capable of carrying out life characteristics is *

an atom

dna

tissue

cell

Explanation:

To determine the smallest unit capable of carrying out life characteristics, we analyze each option:

• An atom is the basic unit of matter, not life processes.
• DNA is genetic material, not a unit that independently carries out all life functions.
• Tissue is a group of cells, so it's larger and not the smallest unit.
• A cell is the fundamental unit of life, as it can perform all life - sustaining processes like metabolism, reproduction, etc.

Answer:

D. cell