Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Natural Selection and Sexual Selection Quiz

10 Questions

1 Views

Natural Selection and Sexual Selection Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What kind of phenomenon is likely to be responsible for the size difference between males and females in the unknown species of deer?

Genetic drift

Natural selection

Sexual dimorphism (correct)

Allopatric speciation

What group of organisms commonly speciates by sympatric speciation? How do they do this?

Plants - through wind pollination

Insects - through specialization on different host plants (correct)

Fish - by adapting to different water temperatures

Birds - by developing different migratory patterns

Why is hybridization a challenge to the Biological Species Concept (BSC)?

It strengthens prezygotic isolating mechanisms

It blurs the distinction between species (correct)

It leads to sympatric speciation

It creates reproductive barriers between species

What is sexual selection?

The process of natural selection acting on traits that affect an organism's ability to obtain or successfully copulate with a mate Signup and view all the answers

What is intersexual selection?

Choice by one sex, usually females, for certain traits in the other sex, usually males Signup and view all the answers

Does sexual selection exist because it leads to perfectly adapted organisms?

No, sexual selection exists primarily because different sexes have different reproductive strategies Signup and view all the answers

What are the consequences of inbreeding on the genetic structure of a population?

Decrease in homozygosity Signup and view all the answers

What is evolutionary fitness and how is it measured?

It is the number of offspring produced, measured by their quality and quantity. Signup and view all the answers

What is genetic drift and in what sized populations does it occur most readily?

It is the random change in allele frequency, and it occurs most readily in small populations. Signup and view all the answers

What is sexual selection and how does it contribute to evolution?

It is the selection for traits that improve reproductive success. Signup and view all the answers