Which of the following has an impact that is much larger than its total abundanc
ID: 71835 • Letter: W
Question
Which of the following has an impact that is much larger than its total abundance on its community and helps hold the rest of that community in place? facilitator species dominant species keystone species primary species Which of the following is not an example of an invasive species? Sagebrush mongoose cheatgrass Burmese python Which of the following is a detritivore? Com mushroom phytoplankt on mouse Acquired traits can be inherited. Time False For asexual organisms, speciation often involves reproductive isolation. True FalseExplanation / Answer
9. option A is true (facilitator species)
10. Option A is true (Sagebrush) it is not invasive, native to western north America
11. Option B is true (Mushrooms) an example of detritivore can be located at the bottom of trophic pyramid, feed on nonliving and organic substances
12. It is little bit controversial
But my choice is False, (J.B.Lamarck has proposed that theory of acquired inheritance) but it was rejected after Darwin's theory of mutations leads to species evolution.
I am pasting some matter as such here for your reference, a discovery from the New York, NY (December 2, 2011) — Columbia University Medical Center (CUMC) researchers have found the first direct evidence that an acquired trait can be inherited without any DNA involvement. The findings suggest that Lamarck, whose theory of evolution was eclipsed by Darwin’s, may not have been entirely wrong. In which, roundworms that developed resistance to a virus were able to pass along that immunity to their progeny for many consecutive generations, ” the immunity was transferred in the form of small viral-silencing agents called viRNAs, working independently of the organism’s genome.”
13. False, the statement is applicable to sexually reproducing organisms.
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