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memorize.aimemorize.ai (lvl 286)
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44 cards
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Section 1

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predation, parasitism, herbivory

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1 / 44

Competition Prep
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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (44)

Section 1

(44 cards)

predation, parasitism, herbivory

Front

Negative positive relationships

Back

K1/alpha > K2 and K2/beta > K1

Front

Under which relationship between the isoclines of the two competing species would the eventual result be a stable equilibrium?

Back

K species

Front

Species that grow slowly and then stabilize at the carrying capacity

Back

hyperbolic relationship

Front

Rate of change (dN/dt) as population size increases is a _________

Back

negative

Front

If N>K, then what is the sign for dN/dt?

Back

carrying capacity

Front

The K in the term K-strategist refers to ________

Back

higher resource use efficiency, per capita

Front

Competitive exclusion could occur when one species has a _________________ or when the _________ effect of one species is significantly greater than that of the other

Back

direct competition

Front

A strangler fig is a species that germinates upon another tree. Then it grows and eventually completely smothers the other tree and takes its space in the forest.

Back

seasonality, resource ratios, resource gradients, climate change

Front

Resource shifting, such as _________ of resources, changes in _________, ____________ over space, and long-term _________, can change competitive outcomes

Back

logistic

Front

Time dynamical relationship is a ___________ relationship

Back

allee effect

Front

The phenomena where a moderate size population is required for a positive r (b-d)

Back

character displacement

Front

One anolis species lived on an island surviving on ants. A small number of this anolis species drifted on a log onto another island with only a few ants that were either a small ant species or a large ant species. Over 20 generations, the anolis species diverged into a smaller and a larger species. What is this a case of?

Back

temperature, salinity, pH

Front

Non resource environmental variation such as _________, _______, and ______ can change competitive outcomes

Back

competition

Front

Negative negative relationship

Back

Lotka-Volterra model

Front

Based on the Pearl-Reed differential logistic equation

Back

competitive exclusion

Front

Two species using the same resource resulting in one going extinct

Back

realized niche

Front

The actual resource space that a species occupies, which is usually smaller than the fundamental niche

Back

K2, K2/beta

Front

The endpoints for the nullcline will be N2=_______ and N1=______

Back

indirect

Front

Competition through a shared resource

Back

long lived, competitive, strong, low, slow, stable

Front

K selected species will be ______, ______, have _______ parental care, a ______ number of offspring, _______ individual growth rate, and a _______ population size

Back

commensalism

Front

Positive no effect relationships

Back

selected

Front

Based on the Pearl and Reed approx. it is unlikely to be __________ for both r and K

Back

amensalism

Front

Negative no effect relationships

Back

diffuse

Front

Competition where many species are involved in the interaction

Back

direct

Front

Competition with contest among individuals (physical fighting)

Back

coexistence

Front

Type of competition where two species coexist, but one is favored over the other.

Back

spatial, temporal, behavioral

Front

Niche partitioning can be _________, _________, or ________

Back

both species go extinct

Front

When N1 and N2=0

Back

intraspecific

Front

Competition among individuals within one species

Back

short lived, vulnerable, little, large, fast, variable

Front

r selected species will be __________, _________, have _________ parental care, a ____ number of offspring, ______ individual growth rate and ________ population size

Back

interspecific

Front

Negative interactions between two species

Back

species 2 "wins"

Front

Two birds species compete in the forest for the same seeds. If alpha=.85 and beta=.15, then ____________

Back

lowest tolerance, multiple resources

Front

With resource ratio, the species with the _________ is the winner. Species can coexist if ___________ are considered

Back

species 2 excludes species 1

Front

When N1=0 and N2=K2

Back

resource preemption

Front

One species gets the resources before the other species can get them.

Back

fundamental niche

Front

The range of resources needed and environmental tolerances under which a species can survive and reproduce

Back

apparent

Front

Indirect competition in which intermediate is another species

Back

coexistence

Front

When N1=K1-alphaN2 and N2=K2-betaN1

Back

mutualism

Front

Positive positive relationships

Back

resource ratio

Front

One species reduces the resources below the tolerance of another species.

Back

r species

Front

Species that grow quickly and overshoot their carrying capacity and then crash back down well below their carrying capacity

Back

amensalism

Front

What would best describe the interaction between the red tide and the death of fish in the Chesapeake bay?

Back

character displacement

Front

Where a single lineage origin differentiates into different characteristics to fill different niches

Back

nullcline

Front

N1=K1-alphaN2 defines the __________

Back