Ecology and Evolution Flashcards

Flashcards for ECO and EVO topics

The major processes in the __ cycle include photosynthesis & cell respiration, and human impact.

carbon

Name the three major reservoirs of water, __ and carbon.

nitrogen

When studying population growth patterns, it is important to explain the relationship between resource __ and population's growth pattern.

availability

__-dependent factors are factors that regulate population growth.

Density

Name the trophic levels and biomass.

Primary producers, primary consumers, secondary consumers, tertiary consumers; primary producers have greatest biomass

In an energy phyramid, only __% of total energy in a trophic level is available to organisms in the next higher trophic level.

10

Environmental changes can alter availability of __ resources and therefore impact food webs and survival of populations

abiotic/biotic

The __ method is best used for mobile populations.

mark & recapture

The __ method is best used for plant populations.

quadrat

Increased __ increases stability in the environment.

diversity

Name the four ecological services.

Provisioning, regulating, supporting, cultural

Name the six interspecies interactions/symbiosis.

Competition, predation, parasitism, mutualism, commensalism

__ species have an important role in ecosystems.

Keystone

Disruptions in ecosystems can be human-induced or __.

natural

__ species can effect ecosystems.

Invasive

Humans induce environmental changes through __.

anthropogenic climate change

Evidence for evolution comes from __ and anatomical/molecular homologies (similarities)

fossil evidence

The structure and function of __ is a homology that links all living organisms.

DNA

__ are heritable traits that can increase an organism's fitness.

Adaptations

__ is the development of a new species.

Speciation

__ selection is controlled by humans.

Artificial

__ speciation is when species are separated geographically.

Allopatric

__ speciation is when species are in the same geographic region.

Sympatric