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Propagule pressure plays an important role in species invasions (Groom, 2006). Charles Darwin was the first to study specific factors related to invasions of non-native species. In his research he identified that few members of the same genus were present in habitats containing naturalized non-indigenous species (Colautti et al., 2006).
Students who complete two group 1 subjects (instead of a group 1 and group 2 subject), or complete a group 3 or 4 subject that is of a different language of the group 1 subject taken by the candidate, are eligible to be awarded a bilingual IB Diploma on the condition that the candidate obtains a level 3 or greater in both subjects. [2]
There are several models of the Branching order of bacterial phyla, one of these was proposed in 2006 by Ciccarelli et al. for their iTOL project. [1]This tree is based on a concatenated set of conserved protein and not 16S rRNA (cf. Branching order of bacterial phyla (Woese, 1987)).
A 2016 study by Kumar et al. [13] chemically analyzed these secretions, concluding that they may be required in chemosensory mediated communication [14] and mate choice. Similarly, in the less aggressive herb-field mouse, males are observed to groom females for longer durations and even allow females to not reciprocate. [ 15 ]
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Paper 1 (45 raw marks contributing 30% of the course, 1 hour) consists of short-answer and data-based questions. Paper 2 (65 raw marks contributing 50% of the course, 2 hours) consists of: Section A: Candidates are required to analyse and make reasoned and balanced judgements relating to a range of data on a specific unseen case study.
In the US, in 2006, as part of the American Competitiveness Initiative (ACI), [41] President George W. Bush and Education Secretary Margaret Spellings presented a plan for the expansion of Advanced Placement (AP) and International Baccalaureate mathematics and science courses, intending to increase the number of AP and IB teachers and the ...
GFAJ-1 is a strain of rod-shaped bacteria in the family Halomonadaceae.It is an extremophile that was isolated from the hypersaline and alkaline Mono Lake in eastern California by geobiologist Felisa Wolfe-Simon, a NASA research fellow in residence at the US Geological Survey.