Biology, 10.07.2019 01:20 miguegen6225
Which are examples of short-term environmental change? check all that apply.
tsunamis
el niño
large asteroid and comet impacts
volcanic eruptions
global warming
Answers: 2
Biology, 22.06.2019 02:00
Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z
Answers: 1
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 09:30
Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these
Answers: 2
Biology, 22.06.2019 09:30
During binary fission, what events must occur before the cell splits into two new cells?
Answers: 2
Which are examples of short-term environmental change? check all that apply.
tsunamis
e...
tsunamis
e...
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