What type of bacteria are decaying leaves? is it autotrophic or heterotrophic? how do you destroy it

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?