50 POINTS PLS HELP ILL GIVE BRAINLEST Cyanobacteria are photosynthetic single-celled organisms that thrive on the sunlight and nutrients. Cyanobacteria blooms (blue-green algae) are a frequent occurrence in the Great Lakes, particularly in Lake Erie, Green Bay, and Saginaw Bay in August and early September. Which statement(s) describes the main cause(s) of the cyanobacteria blooms in the Great Lakes?

I. Increase in human population and activities such as industrialization and agriculture.
II. The nutrient levels of the Great Lakes are lower due to increased pollution.
III. Low oxygen levels in the Lakes attract cyanobacteria.

A. I only
B. II only
C. I and II
D. II and III

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interphase

the period of cell growth when the cell synthesizes new molecules and organelles. the cell is not dividing and it constitutes the majority of the time spent in the cell cycle

prophase

changes occur in the nucleus and cytoplasm. the chromatin condenses to form structures (sister chromatids) visible with a light microscope and the mitotic spindle begins to form, but the nucleus is still in tact

prometaphase

the nuclear envelope fragments and the spindle microtubules attach to the kinetochores of the sister chromatids

metaphase

all the cell's duplicated chromosomes are lined up at an imaginary plane equidistant between the poles of the mitotic spindle

anaphase

begins when sister chromatids separate from each other and ending when a complete set of daughter chromosomes arrives at each of the two poles of the cell

telophase

the daughter nuclei form at the two poles of a cell

cytokinesis

the division of a cytoplasm to form two separate daughter cells. usually occurs during telophase during mitosis. this and mitosis make up to mitotic (m) phase of the cell cycle