Biology, 04.05.2021 05:30 PerfectMagZ
Jonathan Losos introduced a species of anole onto a Florida island that already had another species, and then studied their descendants. How are his investigation and observations similar to the work of the Grants on the Galápagos Islands?
Answers: 3
Biology, 21.06.2019 13:30
Determine whether the characteristic describe dna replication in prokaryotes only, eukaryotes only, or both prokaryotes and eukaryotes drag each tile to the correct location on the chart
Answers: 1
Biology, 22.06.2019 07:50
One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.
Answers: 3
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
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.
Answers: 3
Jonathan Losos introduced a species of anole onto a Florida island that already had another species,...
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