Mobile offshore drilling units (MODU) dig wells for ocean drilling and capture of oil. Which statement best describes an environmental consequence of this process? Heavy metals are released into waters, poisoning aquatic life.

Ocean accidents can cause oil spills into aquatic ecosystems.

High salinity of wastewater can affect aquatic habitats.

Wastewater mixes with sludge in the ocean waters.

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

Number and variety of living organism; includes genetic, species, and ecological types