The ________ is made up of the entire Earth and all of the living organisms that inhabit it
Fill in the blank(s) with correct word
biosphere
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The archea include which of the following?
a. extreme thermophiles b. alga c. protista d. animals e. all of these
Three "turns" of the Calvin cycle generate a "surplus" molecule of glyceraldehyde 3-phosphate (G3P). Which of the following is a consequence of this?
A) Formation of a molecule of glucose would require nine "turns." B) G3P more readily forms sucrose and other disaccharides than it does monosaccharides. C) Some plants would not taste sweet to us. D) The formation of sucrose and starch in plants involves assembling G3P molecules, with or without further rearrangements. E) Plants accumulate and store G3P.
Which of the following is true concerning a morphological phylogenetic tree with 15 characters and 23 changes, and a molecular phylogenetic tree with 150 characters and 345 changes that contain the same taxa?
A. The molecular tree is a better estimate of the true relationships of the taxa. B. The molecular tree is the true representation of the relationships between the taxa. C. The morphological tree is the better estimate of the true relationships between the taxa because it has a shorter length. D. The morphological tree is the true representation of the relationships between taxa as it has the shorter length.
Hybridization regularly occurs between three species of Darwin's finches on Daphne Major, but the finches are still considered different species because
A. they occupy different niches. B. they are mechanically isolated. C. they are reproductively isolated. D. they have different fitnesses.