PLS HELP which process is used by animals to obtain food from the environment?

a. egestion
b. dehydration synthesis
c. mechanical digestion
d. ingestion

What factors contribute to the effect an environmental toxin has on the human body?

Color blindness is a recessive trait. the gene for color blindness is on the x-chromosome. the family tree below shows the trait of color blindness. theonly unknown is the father in the first generation.

Acid rain throughout the northeast united states has lowered the ph of many ponds and lakes. the lowered ph will eventually result in the death of many aquatic animals. compare the map of the u.s. with the ph tolerance range for the organisms listed. based on the tolerances seen here, which aquatic organisms are least likely to survive in the northeastern states?