Butterflies of the genus colias live in the rocky mountains, where they experience a wide range of temperatures. different variants of a particular glycolytic enzyme in the flight muscles are optimally active at different temperatures. within the same population, some individual butterflies fly most effectively at 29 c° , while others fly most effectively at 40°c. still others can be equally active at both temperatures.
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Biology, 22.06.2019 00:00
The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s
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Biology, 22.06.2019 03:50
What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
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Biology, 22.06.2019 13:30
How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
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Biology, 22.06.2019 18:20
Anybody know this. a haplontic cycle animal initially reproduces by: mitosis binary fission isogamous fertilization meiosis
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Butterflies of the genus colias live in the rocky mountains, where they experience a wide range of t...
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