A. What are chromosomes? B. During which phase of the cell cycle are chromosomes replicated?
C. During which phase of the cell cycle do chromosomes condense and the nuclear envelope breaks down?
D. During which phase of the cell cycle do the chromosomes line up along the middle of the cell?
E. During which phase of the cell cycle do to sister chromatids separate and move apart to opposite sides of the cell?
F. During which phase of the cell cycle do the two new nuclear envelopes form around the chromosomes that have gathered at the opposite ends of the cell?
G. During which phase of the cell cycle does the cytoplasm pinch in half and two identical daughter cells are formed?

organisms that are both used in toothpaste as well as cause malaria are protista and monera.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive

a. an idea which cannot be disproven!

explanation: