The human genome is made of 46 a. genes b. nucleic acids c. chromosomes d. dna strands

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Number and variety of living organisms includes genetic, species, and ecological types