Biology, 17.11.2020 01:00 karellopez96
Let’s take the second model and add some information. Scientists have used fossil evidence and radiometric dating to predict the time frame for the evolution of the animals within our model. Based on this new information, what prediction can we make about the animals represented here? MYA refers to millions of years ago.
Answers: 1
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 3
Biology, 21.06.2019 19:30
Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.
Answers: 2
Biology, 22.06.2019 03:00
What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.
Answers: 2
Biology, 22.06.2019 03:30
Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what
Answers: 3
Let’s take the second model and add some information. Scientists have used fossil evidence and radio...
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