Meals Miles/Kilometers: term coined by Tim Lang to denote the space foodstuff should vacation from where it truly is developed or made and where it truly is sold. Foods that have to come a protracted length normally have to have much more preservatives and produce extra air air pollution within the petroleum items utilized to ship them.
Haploid: a mobile that contains only one set of chromosomes. Case in point: gametes (sex cells). In contrast, the vast majority of cells that make up your body are diploid: they include chromosomes from each Organic mom and dad.
Density Present-day: when a denser present sinks down less than a fewer dense current and flows alongside The underside.
World Warming: the growing on the Earth's ordinary global temperature as a consequence of greenhouse gases accumulating within the atmosphere. The scientific emphasis has swung from irrespective of whether world wide warming exists to how to minimize the damage it will result in.
Demographic Transition: the hypothesis that industrializing nations show death amount declines followed by beginning fee declines.
Amnion: a fluid-filled sac that securely enfolds a rising mammal, reptile, or bird embryo. The amnion is thought to own authorized animals to come outside of The ocean on to land.
Bergmann’s Rule: heat-blooded animals in chilly climates tend to be greater than animals of the exact same species living in heat climates.
Nonsymbiotic Mutualism: a connection of relative independence, nevertheless needed for equally species, just like bees and apple trees.
Hemiphyte: an epiphyte (a plant that grows on An additional plant) that finally extends its very own roots into the bottom.
Conjunctive Symbiosis: a mutually advantageous relationship through which the two members be part of into one organ or body. Illustration: lichens.
Elephants in China are more often born tuskless, now, due to pressure from poaching. See Speciation for an illustration of a Into the Badlands dvd box set loved ones of Asian butterflies branching into unique species nowadays. Genetic mutations, which are rare and usually harmful, Perform a lot less of a task in evolution than Darwin thought, and cultural forces that reinforce assortment for specified traits a bigger job.
Continental Shelf: the roughly level sedimentary interval in the shore towards the continental slope that sales opportunities deeply downward to your ocean floor.
For The very first time in my lifetime I observed the horizon to be a curved line. It absolutely was accentuated by a skinny seam of darkish blue light-weight--our atmosphere. Naturally this was not the ocean of air I had been instructed it had been so many times in my everyday living. I had been terrified by its fragile visual appeal.
J-Curve: a curve with a graph that indicates an exponential boost: the curve commences very low and angles upward promptly. Around the world population development, By way of example.