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Researchers show how extreme drought and plant invasion impact ecosystems in the Mediterranean region.
Fighting among social animals is common as they compete for the resources they need to survive and reproduce. A winner and a loser will inevitably result from these interactions, but do these challeng...
The molecular mechanism used by many bacteria to kill neighboring cells has redundancy built into its genetic makeup, which could allow for the mechanism to be expressed in different environments, say...
Contact and competition among different animals within a community matters when it comes to the possibility of parasitic disease outbreak, according to new research from the National Institute for Mat...
The rate at which new species evolve is limited by competition for ecological niches, report scientists from the University of Chicago in Nature on April 30. The study, which analyzes the evolutionary...
RIVERSIDE, Calif. — A video produced by the lab of Zhenbiao Yang, a professor of cell biology at the University of California, Riverside, has received an honorable mention in a challenge — the highly ...
The aim of the research was to evaluate the competition capacity and find suitable proportion of different types of Festuca rubra and Deschampsia caespitosa in grass mixtures for decorative lawns. A f...
Adaptive dynamics is a widely used framework for modeling long-term evolution of continuous phenotypes. It is based on invasion fitness functions, which determine selection gradients and the canonical...
I examine the effect of exogenous spatial heterogeneity on the coexistence of competing species using a simple model of non-hierarchical competition for site occupancy on a lattice. The sites on the l...
The design of protocols to suppress the propagation of viral infections is an enduring enterprise, especially hindered by limited knowledge of the mechanisms through which extinction of infection prop...
In the present paper we study a lattice tumor-growth model. Monte Carlo simulations for $d=$1, 2, and 3 show that when nutrients are easily available, normal and tumor cells coexist. However, when the...
In an old riverbed of the Tigris River near the city of Diyarbakir (SE Turkey), observations of foraging Rallidae were made in October 2004. Reciprocal reactions (aggression, mutual foraging) were not...
In an old riverbed of the Tigris River near the city of Diyarbakir (SE Turkey), observations of foraging Rallidae were made in October 2004. Reciprocal reactions (aggression, mutual foraging) were not...
Nov. 21, 2006,LAWRENCE — A University of Kansas researcher has beaten opponents by a wide margin in a competition that could lead to new drug treatments for various illnesses.Protein structures are 3-...
Experimental cages started with a mixture of flies at three different ratios (1:9, 5:5, 9:1) from populations having heterosomal and autosomal sex-determining mechanisms were cytogenetically examined ...

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