change over time: a review of evolution

1988

Change Over Time:A Review of Evolution

1995

2008

Part 1: Choosing the Most Fit Answer

Choose the most fit answer

In order for evolution to occur, what must happen in a population?a. genetic driftb. natural selectionc. geographic isolationd. reproductive isolation


What does the line graph show?

a. Populations increase at a constant rate in ecosystems.b. Populations usually increase rapidly and then level off.c. Populations increase at an exponential rate.d. Ecosystems are able to support any number of populations.


Within a decade of the introduction of a new insecticide, nearly all of the descendants of the target pests were immune to the usual-sized dose. The most likely explanation for this immunity to the insecticide is that ____.

a. eating the insecticide caused the insects to become resistant to itb. eating the insecticide caused the insects to become less resistant to itc. it destroyed organisms that cause disease in the insects, thus allowing them to live longerd. it selected random mutations that were present in the insect population and that provided immunity to the insecticide


Natural selection can BEST be defined as the ____.

a. survival of the biggest and strongest organisms in a populationb. elimination of the smallest organisms by the biggest organismsc. survival and reproduction of the organisms that occupy the largest aread. survival and reproduction of the organisms that are genetically best adapted to the environment


Which of the following was NOT part of Darwin’s original Theory?

a. There is overpopulation in nature.b. There is variation in the individuals of the population.c. Variations are caused by mutations.d. There is natural selection.


By the end of Darwin’s trip, he concluded that ____.

a. evolution occurs rapidly on the Galapagos Islandsb. change in life forms occurs only on islandsc. life forms can and do changed. Galapagos Islands organisms are also found in Tahiti and the Cocos Islands


Ancestors of the koala lived on the ground, but modern koalas live in trees and eat eucalyptus leaves, which are poisonous to most other animals. The difference between the ancestor and modern koalas was caused bya. the presence of homologous structuresb. selective breedingc. the presence of vestigial organsd. natural selection


Fossils of Archaeopteryx show that this animal had feathers, like a bird. It also had a bony tail, teeth, and claws on its wings, like a reptile. These fossils are evidence that support the idea thata. birds and reptiles have a common ancestorb. reptile species are more advanced than bird species

c. birds have changed very little over millions of years

d. reptiles are warm-blooded like birds


Some viral diseases require only one vaccination, which lasts for years. For other diseases such as the flu, vaccinations last only one season. The flu vaccine lasts such a short time because the flu virusa. is more easily transmitted than other virusesb. is less dangerous than other virusesc. mutates much more rapidly than other virusesd. is much smaller than other viruses


Which of the following is considered by most biologists to be the most accurate in supporting the theory of evolution?a. fossils c. DNA sequencingb. embryology d. genetic equilibrium


There are currently millions of species of organisms and new species are still being discovered. Based on Darwin’s theory of evolution, which of the following best describes how millions of species have developed?a. Organisms passed on acquired characteristics to evolve

from lower life forms to higher life forms.b. Completely different species crossed with one another to

form the many different organisms.c. Organisms were selectively bred to create different

species.d. Different genetic variations in organisms were selected in

different environments.


Which of the following best supports the idea that organisms and environments have changed over time?a. the discovery of fossilized fern plants in

Antarcticab. the many different species of plants in tropical

areasc. the production of sterile hybrid animals such as

the muled. the ability of many animals to learn new

behaviors


The cotton whitefly has become a key pest for farmers, damaging many kinds of crops. The cotton whitefly has developed resistance to a variety of pesticides. Pesticide resistance would most likely develop in insects that

a. reproduce rapidlyb. undergo complete metamorphosisc. feed on few types of plants d. live in very limited regions


The DNA of an organism contains information that is used to sequence amino acids to form specific proteins. The existence of different organisms with very similar amino acid sequences is evidence ofa. a common ancestorb. a similar dietc. common adaptive behaviorsd. a similar environment

Choose the most fit answerThis diagram represents the bone structures of the front limbs of four different animals.

What do the similarities of the structures suggest about these organisms? a. They grow at the same rate. b. They live for the same length of time. c. They live in the same environment. d. They evolved from a common ancestor.


What advantage do sexually reproducing organisms have over asexually reproducing organisms?a. genetic variation b. increased fertilization ratec. genetic stability d. increase reproductive rate


Genetic equilibrium exists in a population that is stable. Which conditions would support genetic equilibrium within a species?a. frequent mutationsb. small number of individualsc. random matingd. migration into the population

Part 2: Finding Connections

Finding Connections

What 2 macromolecules are found in ALL living

organisms that allow for the continuity of life?

Finding Connections

Explain what the word fitness means as it pertains to natural

selection.

Finding Connections

Is it ok to say that a scientific theory is just a theory?

( YES / NO )Explain the difference between a

scientific theory and the venacular use of the term theory.

Finding ConnectionsA. Genetic DriftB. Gene Flow C. Non-random matingD. Mutations E. Natural SelectionF. SpeciationG. GradualismH. Punctuated EquilibriumI. Adaptive RadiationJ. Convergent evolutionK. Coevolution L. Extinction

Part 3: Unifying Theme

Label all the Boxes and the arrows

Explain how Box 1 goes

to Box 2


to Box 3


to Box 4

Which of the 2 following organisms are closest in relationship: Salamander, Turtle,

and Leopard. And why?

change over time: a review of evolution

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