Saprophytes are fungi that feed on dead and decomposing organisms. They secrete enzymes that digest components of cell walls, such as cellulose and lignin. Which statement explains why these fungi are an important part of the biogeochemical cycle?
Saprophytes perform gas exchange that assists the cellular activities of autotrophs.
Saprophytes extract minerals from living tissue to recycle them back into the soil.
Saprophytes transport nutrients through the xylem and phloem in autotrophs.
Saprophytes return organic material to the soil for use by living organisms.

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

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in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.