7th Grade Science Guide

7.5: Changes in Species 3 Dimensions & Progressions

Unit 6

Activity: Exploring Evolution

Objective

Overview

Materials

● I can explain how

● In this web lab students will examine three types of evidence to choose a pathway that best describes the pathway Students will be able to compare ancient fossils and modern day bones to fnd homologous (similar) structures providing evidence that they came from a common ancestor. taken by a mystery modern organism.

● Lesson Plan

patterns found in the body structures of modern and ancient organisms provide evidence that they have possible evolutionary relationships.

Activity: Homologous Structures

Objective

Overview

Materials

● I can explain how

● Students will review

● Lesson Plan

patterns found in the body structures of modern and ancient organisms provide evidence that they have possible evolutionary relationships.

homologous structures.

Activity: Gizmo - Skull Analysis

Objective

Overview

Materials

● I can explain how

● Compare the skulls of a variety of signifcant human ancestors, or hominids. Use available tools to measure lengths, areas, and angles of important features. Each skull can be viewed from the front, side, or from below. Additional

● Gizmo

patterns found in the body structures of modern and ancient organisms provide evidence that they have possible evolutionary relationships.