Hemical compound that can cause algal blooms and cultural eutrophication in streams Answer A: Nitrates ( N O 3 with a negative 1 charge )

Answer B: Chlorofluorocarbons ( C F Cs )

Answer C: Nitrogen oxides ( N O x )

Answer D: Carbon dioxide (CO2)

How does natural selection change thephenotypes within a population over time?

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.