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...

Creationism, Flat Earth, Geocentrism Beliefs

10 Questions

1 Views

Creationism, Flat Earth, Geocentrism Beliefs

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 is the term for the selection process that eliminates changes that are harmful to the host's fitness?

Purifying selection or negative selection

Describe directional selection in terms of genetic variance and phenotype shift.

A population's genetic variance shifts toward a new phenotype under environmental changes.

What is the term for the selection process where genetic variance increases due to the selection of extreme phenotypes with specific advantages?

Disruptive selection

Explain balancing selection and why polymorphism is maintained.

Balancing selection maintains advantageous polymorphism. Signup and view all the answers

Define sexual selection and explain how it influences reproductive success.

Sexual selection arises from preference for certain characteristics in mates and affects reproductive success. Signup and view all the answers

Give an example of ecological factors influencing mating behavior.

Female guppies preferring brightly colored males. Signup and view all the answers

Explain why natural selection cannot produce perfect organisms according to the text.

Natural selection acts on existing variations, is limited by historical constraints, and adaptations are often compromised. Signup and view all the answers

How does evolution interact with chance, natural selection, and the environment?

Evolution is shaped by the interplay of chance, natural selection, and environmental factors. Signup and view all the answers

What type of selection favors variants that increase in frequency until they dominate the population?

Positive selection Signup and view all the answers

Explain the concept of disruptive selection in terms of genetic variance and phenotype selection.

Disruptive selection increases genetic variance by favoring extreme phenotypes with distinct advantages. Signup and view all the answers