What method would be the best choice for a climatologist to find out what the ocean temperatures were like during the Pleistocene ice ages 30 million years ago?
Analyze ice core samples from pleistocene glaciers.
Analyze the tree rings of petrified wood from the Pleistocene.
Analyze alkenones molecules of phytoplankton in rocks of that period.
Analyze O-18 ratios from Antarctic glaciers.
Answers: 2
Biology, 21.06.2019 20:00, Tyrant4life
In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia
Answers: 1
Biology, 22.06.2019 15:50, jakhunter354
The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids
Answers: 1
Biology, 22.06.2019 16:30, maelaysiap
Tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d
Answers: 1
What method would be the best choice for a climatologist to find out what the ocean temperatures wer...
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