Ecology Chapter 2 Sharing the World • What affects the environment also affects you. • Understanding what affects the environment is important because it is where you…

1. Plate Tectonics Chapter 9, Section 2 2. Lithosphere Earth’s lithosphere or “skin” has tectonic plates Currently there are 12 large plates and several smaller ones…

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Slide 1 Slide 2 What Is Life? Chapter 1 Characteristics of Living Things Life Comes From Life Needs of Living Things Living, Non-living & Dead Slide 3 Characteristics…

Slide 1 Slide 2 1. Fossils 2. Geographic Distribution 3. Homologies Slide 3 1 st type of Evidence FOSSILS Slide 4 What is a fossil? -The preserved remains of a once-living…

Slide 1 Slide 2 Sea Nettles Slide 3 Marine biologists from more than 80 countries have spent the last 10 years trying to catalogue and count all forms of sea life. The project,…

Slide 1By Cynthia Cheung and Preeti Sharma Slide 2 Introduction to mechanism of evolution You may know what evolution is (that is, the process of change over time), but you…

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1. What does the graph below illustrate? 2. Competition 3. Ecosystem Anecosystem is composed of the interactions between the living (biotic) and nonliving (abiotic). 4. Nonliving…

1. FERTILISATION 2. TYPES OF FERTILISATION EXTERNAL FERTILISATION-In external fertilisation the fusion of male and female gametes takes place outside the body of the female.…