The genetically inheritable traits that make an organism more likely to survive and reproduce are known as
The process by which primary producers take in inorganic nitrogen compounds and consumers take in organic nitrogen compounds and transform them into a part of their own body system
refers to the variety of species, the genes they contain, and the ecosystems they live in
the dry weight of all organic matter contained in the organism and provides a measure of how much energy is available to the next trophic level.
living factor
bacteria convert sulfur compounds, such as hydrogen sulfide, escaping from the vents into organic compounds for consumers through a process known as
This interaction benefits one species but has little to no impact on the other. An example would be the Brazilian epiphytic bromeliad. This plant takes root on the trunk of tropica
all the populations of different species that live in one place at one time.
These organisms in the ecosystem cannot produce their own energy and therefore rely on the production from producers
These are bacteria and fungi in the ecosystem that recycle organic material from dead organisms into inorganic nutrients that support the growth and development of primary producer
When populations can grow at their intrinsic rate of increase
have broad niches since they have a variety of food sources and demonstrate a wide range of tolerance for environmental conditions.
geologic and climatic events can physically separate populations for long periods of time
as molecules gain kinetic energy and vibrate they release even longer wavelength infrared radiation, which warms the surface of the earth
These species can provide an early warning that damage to a community or an ecosystem is occurring.
When nonnative species are introduced either intentionally or accidentally to a new environment, they typically do not face as much natural predation or disease and therefore out-c
organisms that are limited by resources and competition are referred to as
has a much larger impact on the community than scientists would predict based on their size and population density. These species can fill a variety of roles in different ecosystem
after the initial rapid growth the population size will level off due to declining resources or increasing competition.
Two organisms interact in a manner that is beneficial to both in some way.
how these small changes in a single organism’s DNA led to the abundant amount of biodiversity that exists today
a group of individuals of the same species that live in the same place at the same time.
acquire nutrients by converting compounds or energy from their environment
the establishment of a biotic community from a previously lifeless terrain
they acquire nutrients by converting compounds or energy from their environment.
Organisms that are capable of rapid exponential growth are typically referred to as
Larger organisms that feed on carrion, rotting carcasses
where a disturbance in the ecosystem has damaged or removed part of the established community but leaves in place soil or sediments
have narrow niches and typically feed on only one food source and most likely tolerate only a narrow range of environmental conditions.
a process by which water that is absorbed by plants, usually through the roots, evaporates into the atmosphere from the plant surface.
Organisms in the ecosystem are organized into a hierarchy of feeding orders
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