The image above shows a fossit that was discovered in a particular rock layer. Using the Rule of Superposition, approximately how old is the fossil shown above?
A) 50 million years
B) 70 million years
C) 190 million years
D) 250 million years

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.