The beginning of life on land is marked by which of the following eras?

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which animal is a producer in this ecosystem