Biology, 10.11.2019 06:31 isabellam646
Aplant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter. iris normally blooms as long-day (short-night) plants. which of the following has the best chance of creating iris blooms in winter? a) increase the temperature to more closely follow summer temperatures. b) artificially increase the period of darkness in the greenhouse. c) alternate four hours of darkness with four hours of light repeatedly over each 24-hour period. d) interrupt the long winter nights with a brief period of light.
Answers: 1
Biology, 22.06.2019 01:50
Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?
Answers: 1
Biology, 22.06.2019 03:30
Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?
Answers: 3
Biology, 22.06.2019 10:30
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
Answers: 1
Aplant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in...
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