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Evolution and Biologist Interpretation Quiz

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Evolution and Biologist Interpretation Quiz

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Questions and Answers

Which of the following cannot evolve?

Populations

Homologous structures

Individual structures (correct)

Phenotypes

How do biologists interpret the similarities between human arms, bat wings, and whale flippers?

They are homologous structures that evolved from a common ancestral structure (correct)

They are vestigial structures that serve no function

They are adaptations to the respective environments of each organism

They are analogous structures that evolved for similar functions

Natural selection acts on which of the following to affect the evolution of a population?

Phenotypes (correct)

Individual organisms

Genetic variations

Acquired characteristics

Which type of selection is most likely to occur when a population of finches has individuals with a range of beak sizes that specialize in different food sources?

Disruptive selection Signup and view all the answers

Which organism has the highest fitness in the evolutionary sense?

A rat that has twice as many healthy young in each litter compared to the average member of its species Signup and view all the answers

Which scenario is most likely to lead to allopatric speciation?

A population of squirrels is divided by a river Signup and view all the answers

What is a unique characteristic of echinoderms not found in any other animal group?

Water vascular system Signup and view all the answers

Which of the following is NOT a major trend in terrestrial plant evolution?

Animal-assisted reproduction Signup and view all the answers

What does it mean that the genetic code is 'highly conserved'?

It is almost the same in all organisms Signup and view all the answers

What animals lack a 'true' coelom?

Flatworms only Signup and view all the answers

What are the three main parts of a seed?

Seed coat, stored food, embryo Signup and view all the answers

Which of the following lists the correct proposed time sequence (earliest to most recent) in the evolution of plants?

Seedless vascular plants -> gymnosperms -> angiosperms Signup and view all the answers