During the process of succession, a. only producers can enter a developing ecosystem. b. producers typically enter a developing ecosystem before consumers. c. only consumers can enter a developing ecosystem. d. consumers typically enter a developing ecosystem before producers.

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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