Ihave moist skin but no scales, and two pairs of legs. although i have lungs and live on land, my young usually live in water and use gills to breathe.

Mutations associated with albinism affect proteins involved in synthesis

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

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2