Lesson 1: Living Things and the Environment

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Lesson 1: Living Things and the Environment Populations and Ecosystems packet

Three Species of Lemurs Gray Lemur Golden Brown Goodman’s Lemur Mouse Lemur

What’s wrong with this picture?

Abiotic Factors in a Prairie Habitat Sunlight Because sunlight is needed for plants to make their own food, it is an important abiotic factor for most living things. Abiotic Factors in a Prairie Habitat Soil Soil consists of varying amounts of rock fragments, nutrients, air, water, and the decaying remains of living things. The soil in an area influences the kinds of plants and animals that can live and grow there. Temperature The temperatures that are typical in an area determine the types of organisms that can live there. Oxygen Most living things require oxygen to carry out their life processes. Organisms on land obtain oxygen from the air. Aquatic organisms obtain oxygen that is dissolved in the water around them. Water All living things require water to carry out their life processes. Plants and algae need water along with sunlight and carbon dioxide to make their own food. Other living things depend on plants and algae for food.