Which type of fossil would best preserve an extinct organism’s internal organs and tissues? A. a cast fossil
B. a trace fossil
C. a mold fossil
D. an original-material fossil

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

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?