The evolution of multicellularity was one of the key innovations in the history of life on Earth. Virtually all morphological and ecological diversity in macro-organisms builds upon the evolutionary potential associated with multicellularity. We examined the potential for ecological diversity to rapidly arise following transitions to multicellularity. Replicate microcosms containing the yeast S...

This study investigates whether re-thinking the separation of lexis and grammar in language testing could lead to more valid inferences about proficiency across modes. As argued by Römer, typical scoring rubrics ignore important information encoded at lexis–grammar interface, particular how co-selection lexical grammatical features is mediated communicative function. especially evident when ass...

Abstract The current study aimed to investigate age-related differences in narrative abilities at the macrostructural and microstructural levels examine which aspects explain macrostructure ages six eight. Oral narratives were elicited from 89 Croatian monolingual children using Multilingual Assessment Instrument for Narratives (MAIN). At level, measure of lexical diversity D, clausal density, ...

Approximately 7000 marine zooplanktonic species have been described so far for the World Ocean; in the South Atlantic the presence of 40% of these has been confirmed, and an additional 20–30% are expected to be recorded in the future. The overall number of described species is very low when compared with other communities, and yet it may not be too far from the final, complete inventory. Very a...

Punctuated antigenic change is believed to be a key element in the evolution of influenza A; clusters of antigenically similar strains predominate worldwide for several years until an antigenically distant mutant emerges and instigates a selective sweep. It is thought that a region of East-Southeast Asia with year-round transmission acts as a source of antigenic diversity for influenza A and se...

Lexical Simplification is the task of replacing individual words of a text with words that are easier to understand, so that the text as a whole becomes easier to comprehend, e.g. by people with learning disabilities or by children who learn to read. Although this seems like a straightforward task, evaluating algorithms for this task is not so. The problem is how to build a dataset that provide...

as a member of larger familyof formulaic sequences , lexical bundles play different discourse functions in written research articles. this study investigated the use of four-word lexical bundles in published research articles in medicine via natural language processing by computational linguistics. a corpus of 2,420,914 words was extracted from 790 research articles in 33 medical disciplines. f...

This study investigated whether Lexical Inferencing (L1) and Morphological Instruction (MI) can significantly affect EFL learners’ reading comprehension, furthermore, it also examined their effects on the learners’ vocabulary retention over time. 60 homogeneous EFLlearnerswere randomly assigned to two experimental and a control groups. After the pre-test, participants of the first experimental ...

Lewis (1993) recognized significance of word combinations including collocations by presenting lexical approach. Because of the crucial role of collocation in vocabulary acquisition, this research set out to evaluate the rate of collocations in Iranian EFL learners' writing production across L1 and L2. In addition, L1 interference with L2 collocational use in the learner' writing samples was st...