Heat from the sun makes it through near the Antarctic (where the hole is) is melting the ice and not allowing some key species to feed. seals don't have ice to come up for air through like normal so polar bears starve. loss of land means less food for a lot of species because the hunting grounds is closing and there is no room to expand.
Groundwater is the largest available source of freshwater, followed by lakes, rivers, reservoirs and wetlands. Groundwater refers to all subsurface water.
Answer:
R (capital letter) is the dominant allele so the phenotype is the same
Explanation:
Spermatogenesis is the process in witch spermatozoa are produced from male primordial germ cells by way of mitosis and meiosis.
Oogenesis is the process by which the female gametes, or ova, are created.
Answer:
C
Explanation:
During their development, many organisms look similar, suggesting that very different organisms may have a common ancestor. - Think of the human fetal neural / spine development which mirrors other species.
