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What is related species competition

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Last updated

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Date created

Mar 14, 2020

Cards (36)

Section 1

(36 cards)

What is related species competition

Front

For related species that compete strongly, natural selection should favor differences in habitat use

Back

What is an example of an interaction among resources?

Front

Small Assam plans fighting for fertilizer, light, or both

Back

What is intraspecific competition?

Front

Among individuals of the same species. Negative density dependence

Back

What are the Lotka-Volterra Competition equations?

Front

N=aN or N=bN (alpha and beta again)

Back

What is Leibig's Law of the minimum?

Front

Population growth is limited by the resource that is most scarce relative to the demand

Back

What are two examples of non-related species competition

Front

Krill: eaten by many things Intertidal Zones: Lots of different things use these

Back

What are renewable resources?

Front

Resources that are constantly regenerated Seeds

Back

What is the competitive exclusion principle?

Front

Two species cannot coexist indefinitely when they are both limited by the same resource

Back

What does beta mean in the competition for a single resource?

Front

Converts individuals of species 1 into the equivalent number of individuals of species 2

Back

What is an example of resource use?

Front

Open space on rocks can affect growth and fecundity of different marine species

Back

What are we adding?

Front

1. The number of individuals of the second species 2. How much each individual of the second species affects the carrying capacity of the first species (competition coefficient)

Back

What is competition of non-related species

Front

Competition can also be intense among distantly related species that needs a common resource

Back

What are examples of abiotic conditions?

Front

Barnacles competition with light and oxygen

Back

What is an external source?

Front

Consumers reduce availability but not supply Dead leaves fall into streams from the surrounding forest

Back

What is interspecific competition?

Front

Among individuals of different species

Back

What does alpha mean in the competition for a single resource?

Front

Converts individuals of species 2 into the equivalent number of individuals of species 1

Back

What are non renewable resources

Front

Are not regenerated. Rocks for attachment

Back

What are some limiting resources?

Front

O2, H20, sunlight, food, soil nutrients, territory, nesting sites, shelter, etc.

Back

What is a resource?

Front

Anything an organism consumes or uses. Can cause an increase in population growth rate when it becomes more available

Back

What is an example of leibig's law of minimum

Front

Silica with different carrying capacities

Back

What is an internal source?

Front

Originated within the ecosystem. Competitors can affect the supply and demand for the resource.

Back

What are abiotic conditions?

Front

The ability to compete well may be overwhelmed by the ability to persist in harsh conditions

Back

What is competition for multiple resources?

Front

Two species may be able to coexists when each is better at persisting at low levels of different resources

Back

What is competition for a single resource and the equation for it?

Front

Population dynamics of two competing species can be modeled by using the logistic growth equation. Dn/dot = rn(1-n/k)

Back

What is competition?

Front

Negatve interaction between individuals from the same or different species occuring when they require the same limited resource

Back

What is an example of competitive exclusion principle?

Front

Two species of paramicium wit a limited amount of bacteria as a resource

Back

What are the variables of the competition coefficient? Alpha: Beta

Front

Alpha: Competition coefficient for species one Beta; Competition coefficient for species two

Back

What does an interaction among resources mean?

Front

An increase in one resource can have Mach larger effect on a population when there is also an increase in a second resource

Back

Without competitors, a species tends to use its:

Front

Fundamental niche

Back

When two species compete for a single limiting resource, what occurs?

Front

The species that persists is the one that can drive down the abundance of that resource to the lowest level

Back

What is an example of related species competition?

Front

Plants and soil type

Back

What are examples of competition for multiple resources?

Front

Cyclotella and Astrionella

Back

What is an Isocline?

Front

A line for each species where population is stable. Experiences zero growth

Back

What are the variables. Importance in the competition coefficient

Front

They convert between the number of individuals of one species and the number of individuals of the other species

Back

What is the importance of predation and herbivore?

Front

There are trade-offs between competitive ability and resistance to predatory or herbivores. The most competitive organisms are often the most susceptible to predation

Back

When niches are very similar, competition is (weak/strong) which means what?

Front

Strong. Species uses a realized niche

Back