Biology, 23.03.2020 18:55 jessieeverett432
HEL JUST STARTED ONLINE SCHOOL What measures do scientists take to ensure they are getting an accurate assessment of dates and times when analyzing ice cores? (identify and explain two methods. Hint: one is procedural, the other looks at natural occurrences).
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Biology, 21.06.2019 20:00
Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.
Answers: 1
Biology, 21.06.2019 22:00
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.
Answers: 1
HEL JUST STARTED ONLINE SCHOOL What measures do scientists take to ensure they are getting an accura...
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