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Biology

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Parker Braun

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Cards in this guide (15)
What does natural selection cause

Evolution.

What is an exponential growth
From the statistics dictionary "

A function of a real variable defined for all real x by the sum to infinity of the (convergent) series
ex=1+x+x2/2!+x3/3!+.... The notation reflects the index property that ex×ey=ex+y. The notation 'exp(x)' is sometimes used for ex, particularly when x is a complicated algebraic expression. The number e is given by the above series with x=1, so
e=1+1+1/2!+1/3!+...≈ 2.718 28. The exponential and http://www.answers.com/topic/natural-logarithm functions are related by exp (ln x)=x for x>0 and ln (ex)=x for all values of x."

This link on answers.com has a 5 minute video which explains rxponential growth

http://www.answers.com/main/ntquery?s=exponential&gwp=13
Are bivalves protostomes or deuterostomes

protostomes

What makes a fossil an index fossil

fossils are preserved animals or plants. but index fossils are fossils have wide distribution,many of them,evolves rapidly, and very easy to recognize.

Ammonites are index fossils.

The fossils were made only in a certain short time period.

What are exponential growth and logistic growth

Exponential Growth: occurs when the individuals in a population reproduce at a constant rate.

Logistic Growth: occurs when a population's growth slows or stops following a period of exponential growth around a carrying capacity.

How are temperate rainforests similar to tropical rainforests

tropical rainforests are warmer than temperate ones.

How does reducing gene flow cause speciation

It allows divergence to occur

It allows populations to become genetically different.

When will natural selection occur

Natural selection occurs when four conditions are met:

1. There is variation among individuals.

2. That variation is at least partially heritable.

3. That variation is linked to differential reproductive success.

4. More individuals are born than can survive and reproduce.

What is an effect of adaptive radiation

Speciation Adaptive radiation refers to changes in a species in response to varying environmental conditions.

many new species form

How do you slow down growth

you can not slow down growth. Growth goes at its own pace either fast or between fast and slow.

What is a reproductive strategy

The method an organism uses to produce offspring

the way that a species creates offspring

What did the US and soviet union became important members of

The United Nations .

Which would stop hardy weinberg equillibrium from happening

What would stop hardy and weinberg equilibrium from happening

Is the evolutionary theory based on chance

The theory of evolution by natural selection is not based on chance.

After an extreme disturbance what kind of organisms move into the area first

Pioneer organisms, such as plants. :)

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