Removal of a keystone species from an ecosystem has minimal effect because other species compensate and take over its role
Indicate whether the statement is true or false
FALSE
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Which of the following is NOT a function of transposase?
A. Transposase recognizes inverted repeats. B. Transposase cleaves at both ends of the transposable element. C. Transposase carries the transposable element to a new site on the DNA. D. Transposase cleaves the target DNA at staggered sites. E. Transposase ligates nucleic acid fragments during DNA replication.
An endemic species is one that
A. has been cultivated by humans. B. functions as a keystone species. C. is found in only one particular place or region. D. can be used as an indicator species. E. does not effect ecosystem function.
When taxonomists classify organisms using a phylogenetic approach, they are most concerned with
a. derived traits. b. ancestral traits. c. cladists. d. outgroups. e. ingroups.
Which hormone prevents the endometrium from breaking down until the placenta secretes enough
hormones to maintain it? a. hGH b. FSH c. estrogen d. hCG e. ADH