The brown fur trait in a bear species is recessive. You find a bear population where 1 in 625 is brown. How many bears in this population are heterozygous if the population is at Hardy-Weinberg equilibrium

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

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.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?