Biology, 03.08.2019 21:00 dessyrob05
Amolecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 10 million years. how many years ago did two species share a common ancestor if the molecules found in these two species differ by a total of six mutations? 6 million years 30 million years 10 million years 60 million years
Answers: 2
Biology, 21.06.2019 14:00
The image shows ekgs of a person with normal heart waves and of a person having tachycardia. based on this image, what kind of condition is tachycardia? a. the heart beats abnormally fast. b. the heart beats abnormally slow. c. the right atrium of the heart stops working. d. the left ventricle pumps less blood to the aorta.
Answers: 1
Biology, 21.06.2019 15:50
Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene
Answers: 1
Biology, 22.06.2019 00:30
Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results
Answers: 3
Biology, 22.06.2019 02:00
Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.
Answers: 3
Amolecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 10 m...
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