What is true about the relationship of dna and genes?

a. each gene contains a segment of a dna molecule
b. segments of genes contain the code to make dna
c. segments of dna contain the code to make a gene
d. each dna molecule makes up a segment of a gene

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and

what determines the similarities in anatomical features among organisms

a. predator prey relationships
b. chromosomes and genes
c. location on earth
d. environmental conditions

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

In which squares should the phrase "green pods" appear a) a and d b) b and e c)a,c, and d d)a,b,c,d and e