What is the oldest form of biotechnology?

a.) selective breeding
b.) hybridization
c.) cloning
d.) recombinant dna

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?