Deductive reasoning generates the conclusion that because we are here to think about and ask questions about the first living thing on Earth, it must have existed
This first living thing presumably gave rise to multiple lineages, at least one of which served as the ancestor for all of life on Earth. The acronym IDA has been applied to the first living thing, and LUCA to the ancestor that gave rise to all of life. What do IDA and LUCA stand for?
initial Darwinian ancestor; last universal common ancestor
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The compensation depth is the depth at which daily or seasonal ________ is sufficient to allow photosynthesis to occur
a. oxygen b. light c. carbon dioxide d. nitrogen
Which of the following can be determined by interpreting a cladogram?
a) the number of species in a particular kingdom b) the derived characters that differentiate species on the cladogram c) the feeding relationships between species d) the exact number of years two species have been separate
There are ______ amino acids that humans use
A. 15 B. 10 C. 20 D. 25
Explain how the centromere-drive hypothesis accounts for rapid evolution at the centromeres
What will be an ideal response?