Biology, 10.07.2019 14:30 Svetakotok
The shells of some marine snails are highly variable, with some snail shells being solid colors and others having stripes. predation by birds is a major source of mortality for the snails. scientists studying these snails found that while 47 percent of the snail population was striped, 56 percent of the snails eaten by birds were striped. what could scientists conclude about the snails?
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Biology, 21.06.2019 15:30
Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river
Answers: 2
Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 02:00
Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah 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
The shells of some marine snails are highly variable, with some snail shells being solid colors and...
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