Concepts

When single genes or alleles influence multiple, seemingly unrelated traits

Reduction in population growth rates, size, or occurrence across species ranges

Spatial variations in oxidation-reduction conditions within floodplain environments that can form within microsites, along textural transitions, or along the capillary fringe

Systematic differences in detection or capture probability among species or groups due to sampling method

How male and female plants of dioecious species differ in their interactions with insects

Shift toward woody plant encroachment into nonwoody meadows and grasslands

Valley wind that develops due to differential heating between valley floor and surrounding slopes, typically flowing upslope during daytime

Plasticity that occurs across generations where parental environmental effects influence offspring phenotype or fitness

The association of uranium with different solid-phase mineral forms that influences uranium mobility between solid and water phases

The most recent time during the last glacial period when ice sheets were at their greatest extent

Acidic water containing elevated metal concentrations generated from oxidation of sulfide minerals in mining-disturbed areas

Genetic variation maintained in populations by natural selection where different alleles are favored under different conditions

Solitary bee species that construct nests in pre-existing cavities in wood, stems, or artificial structures rather than excavating ground nests

Nature-based tourism activities that can provide conservation benefits but may also impact wildlife behavior through human presence

Pattern of fire occurrence including frequency, intensity, and timing that shapes ecosystem dynamics

Nutritional limitation during larval development that affects adult phenotype

Feeding behavior where insect larvae create tunnels within plant leaves between epidermal layers

Species-specific selection for particular combinations of physical habitat characteristics like water depth, current velocity, and substrate size

Geometric ground formations created by freeze-thaw processes in alpine environments

Male-first flowering phenology where flowers function first as males then as females

Suite of plant responses to shade including stem elongation, reduced branching, and accelerated flowering to compete for light

Zone of active mineral dissolution and precipitation reactions that advances through bedrock over time

Climate pattern characterized by variations in sea surface temperatures in the Pacific Ocean that affects global weather patterns

Non-living environmental factors such as climate, light, and temperature that influence organism performance

When populations have not yet adapted to current environmental conditions due to time delays

Behavioral and physiological adaptations of birds to extreme high elevation environments

Tree mortality and ecosystem disruption caused by bark beetle infestation, resulting in pulsed release of conifer needles and altered biogeochemical cycling

Behavior where caddisfly larvae consume material from their own or others' protective cases

Chromosomal rearrangement where a segment is reversed in orientation, potentially suppressing recombination and maintaining linkage between beneficial alleles

Genetic variation in defensive traits maintained within populations

Daily behavioral pattern where aquatic organisms move vertically in the water column, typically showing different activity levels during day versus night periods

The systematic change in isotopic composition of precipitation with elevation due to progressive rainout and temperature effects

Changes in social behavior and group dynamics that result from variation in the number of individuals in a social group

Lower than expected frequency of heterozygous genotypes in a population

Reduced fitness in F2 hybrids compared to F1 hybrids, often attributed to genetic incompatibilities between nuclear genes

Different trajectory of C-Q relationships during rising and falling limbs of hydrographs that indicate differences in timing of hydrological response from surface and subsurface compartments