Living Things and the Environment EQ: How do I define the various levels of an ecosystem?

Ecology The study of how living things interact with each other and their environment EQ: How do I define the various levels of an ecosystem?

Ecosystem All the living and nonliving things that interact in a particular area May contain many habitats –Forest ecosystem Mushrooms grow in damp soil Bears live on forest floor Termites live in fallen tree trunk EQ: How do I define the various levels of an ecosystem?

Ecosystem Organization Single organism – smallest unit in an ecosystem Population Community Community + Abiotic Factors = Ecosystem EQ: How do I define the various levels of an ecosystem?

Habitats A place where an organism lives Organisms –Living thing –Obtains food, water, shelter, and other things it needs to live, grow and reproduce from its surroundings EQ: How do I define the various levels of an ecosystem?

Habitats Organisms live in different habitats because they have different requirements for survival EQ: How do I define the various levels of an ecosystem?

Biotic Factors The living things an organism interacts with in its environment EQ: How do I define the various levels of an ecosystem?

Communities All the different populations that live together in one area EQ: How do I define the various levels of an ecosystem?

Abiotic Factors Non living things in an ecosystem –Water –Sunlight –Oxygen –Temperature –Soil EQ: How do I define the various levels of an ecosystem?

Populations All members of one species in a particular area –All daisies in a field –All pigeons in NYC Area in which a population lives may be as small as a blade of grass or as big as an ocean EQ: How do I define the various levels of an ecosystem?

Class Work and Homework Fill In –What did I learn –Confused –Say Read pages E 16 – E Review and Reinforce 1-1 Enrich EQ: How do I define the various levels of an ecosystem?