
Guide 6A
Life Cycles
Track changes in an organism over time.
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.