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Guide 6A

Life Cycles

Track changes in an organism over time.

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In this guide you will study the series of structural and behavioral changes in an organism over its life time.

Video Overview

Watch this guide overview video; you can select the closed captioning “cc” option if you would like to see the text.

Life Cycles Contents

Complete all five of these sections before taking the quiz and submitting your media piece.

Life Cycles Objectives

Chromosomes

Explain what a chromosome is, where it is located in a cell, how it is structured, and how it relates to inheritance.

DNA

Describe the structure of the DNA macromolecule, including how the structure of DNA relates to cellular function.

Mitosis and Meiosis

Compare and contrast mitosis and meiosis, including the role of DNA replication, where these processes occur in an organism, and why the processes are significant.

Life Cycles

Outline the life cycles of various species, indicating when mitosis and meiosis occur.

Amphibians

Provide the characteristics of amphibians, including physical traits, life cycles, representative species, and typical habitats.

Life Cycles Product Page

If you would like the goal insight of looking ahead to the products you will be making after completing this guide’s five activity pages, start with the product page.

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Research Question 6: Why is it here, now?

Next Guide

6B: Development

Learn more about Life Cycles

If you would like to learn more about the topics introduced in this course, please visit the resources page.