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Q. Eastern tent caterpillars live in sizable groups in silk nests, or tents, which they construct in cherry trees. They are among the first insects to become active in the spring, emerging very early in the season-a time while daily temperature fluctuates from freezing to very hot. Observing a colony over the course of a day, you observe striking differences in group behaviour: Early in the morning black caterpillars rest in a tightly packed group on the east-facing surface of the tent. In mid afternoon, the group is found on the ten under surface, each caterpillar individually hanging from the tent by just a few of its legs. Suggest a hypothesis to explain this behaviour. How might you test your hypothesis?
After some week's plants that were transplanted into nonsterile soil exhibited a much higher growth rate compared to the plants transplanted into sterile soil. What would be the most likely explanation for this result.
What may have been the cause of this disease that generally strikes a person much older than Hank. Flask A contains yeast cells in glucose-minimal salts broth incubated at 30 C with aeration. Flask B contains yeast with cells in glucose-minimal salts..
Recently, use of cleaner fuels has greatly reduced soot in the landscape, and dark-coloured moths have been disappearing. Should the two forms of moths be considered separate species.
Mimulus lewisii and Mimulus cardinalis are two plants that occupy the same habitat but do not interbreed in nature. Though, they can be readily crossed in the laboratory to produce fertile offspring. Which is a likely reason that prevents interbreedi..
Complete the table by writing down the genotype of the parents or parents involved in each cross. Utilize the letter P for purple and p for white. What are the genotypes of the parent plants.
Why or why not explain with reason? Work the genetics problem predicting the frequencies of the versions of this trait among their prospective children.
If Penicillium typically secretes penicillin without disturbing the lichen relationship in which it is engaged, then what should have been true about its partner.
Assume that the habitat is fairly uniform, how various nests would he expect to be in the entire 200-acre preserve.
Explain the outcome/result as Alu TE is integrated into the coding region of a gene. Illustrate the mechanism of Alu TE integration.
How denaturing a protein alters the functions of that protein. If we are bleeding by the accident, why the injury has to be deeper than epidermis.
In maize, a dominant allele (A) is essential for seed color as opposed to colorless (a). Another gene has a recessive allele (w) which results in waxy starch, as opposed to normal starch (W).
Describe how EDTA promotes the dissociation of animal cell tissue. How various genotypic and phenotypic combinations are possible in the offspring of a brown-eyed, red-haired, taster man with AB blood group (Bb rr Tt AB) married to the blue-eyed, non..
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