Which organisms recycle the organic molecules of dead organisms at all trophic levels and then put the nutrients from those organic molecules back into the environment? a) parasites b) decomposers c) omnivores d) carnivores

b). decomposers

Explanation:

Decomposers are the organisms which convert the dead and decaying plant or animal matter into simple organic molecules which can be easily absorbed by the plants. This way they conduct the recycling of matter in the food chain.

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.