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Darwin's Theory of Evolution

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Lamarck believed:

Back (Answer)

if you didn’t use something, the next generation will not have it, but if you used something a lot, it could become more advanced.

#2
Front (Question)

Darwin believed:

Back (Answer)

in natural selection through the process of organisms with a specific trait to help them survive in an environment, living and passing it down from generation to generation, whereas the ones that lack that trait dying out.

#3
Front (Question)

define: natural selection:

Back (Answer)

explanation of how genetic traits of a species may change over time

#4
Front (Question)

Darwin, Lamarck, or Both: Theory had to do with generational evolution.

Back (Answer)

Both

#5
Front (Question)

Darwin, Lamarck, or Both: Believed organisms change over time

Back (Answer)

Both

#6
Front (Question)

Darwin, Lamarck, or Both: organisms changed because they tried to survive

Back (Answer)

Darwin

#7
Front (Question)

Darwin, Lamarck, or Both: Believed there was variation in a population

Back (Answer)

Both

#8
Front (Question)

Darwin, Lamarck, or Both: believed certain traits help organisms servive and reproduce better than the organisms without those traits

Back (Answer)

Darwin

#9
Front (Question)

Darwin, Lamarck, or Both: Believed Organisms can never become extict

Back (Answer)

Lamarck

#10
Front (Question)

Darwin, Lamarck, or Both: Believed the environment had something to do with why organisms changed

Back (Answer)

Both

#11
Front (Question)

Darwin, Lamarck, or Both: Believed parents are able to pass some of their traits to their offspring

Back (Answer)

Both

#12
Front (Question)

Darwin, Lamarck, or Both: Believed parents are only able to pass on traits they were borne with

Back (Answer)

Darwin

#13
Front (Question)

Darwin, Lamarck, or Both: Believed an organism could decide to change something about their body and pass on that change to their offspring

Back (Answer)

Lamarck

#14
Front (Question)

Darwin, Lamarck, or Both: Believed organisms are still changing

Back (Answer)

Both

#15
Front (Question)

Darwin’s Postulates

Back (Answer)

• Individuals in a population differ/vary in traits • Most of the variation is inherited (passed from parent to offspring) • A population of many species has the potential to produce far more offspring than will survive

#16
Front (Question)

define: the struggle for existence

Back (Answer)

More individuals are produced than can survive, so members of a population must compete to obtain food, living space, and other limited necessities of life

#17
Front (Question)

Biological fitness

Back (Answer)

how reproductively successful an individual is relative to others in the population (more fit = more reproduction = more fit babies)

#18
Front (Question)

some natural variations are better suited to life in their environment than others

Back (Answer)

yup

#19
Front (Question)

adaption

Back (Answer)

any heritable characteristic that increases an organism’s ability to survive and reproduce in its environment

#20
Front (Question)

what are the: result of genetic mutations

Back (Answer)

variation in traits

#21
Front (Question)

a mutation

Back (Answer)

a rabdom change to an organism’s DNA sequence

#22
Front (Question)

the environment

Back (Answer)

contributes to determining whether a mutation is benefitial, harmful, or neutral

#23
Front (Question)

mutations that increase the fitness if an organism increases…

Back (Answer)

in frequency in the population

#24
Front (Question)

selective pressures

Back (Answer)

depends on the environment in which ann organism lives