Que tipo de adaptacion biológica presenta la siguiente situacion: - Las personas que viven en zonas altas producen una mayor cantidad de glóbulos rojos.

Q: a pair of homologous chromosomesa) always has the same genes and the same allows b)always has the same genes c)always has the same alleles d)never has the same genes

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

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