Why has antibiotic resistance evolved in bacteria?
a. all bacteria reproduce very quickly.
b. bacteria exposed to antibiotics developed a resistance to them.
c. varieties of bacteria resistant to antibiotics reproduce faster than non-resistant varieties.
d. bacteria showing resistance to antibiotics survive after antibiotics are used.

Would really appreciate it, i have an idea but not completely sure

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)