Biomes and Ecosystems How do Earth’s biomes and ecosystems differ? Before You Read Before you read the chapter, think about what you know about biomes and ecosystems. Record your thoughts in the first column. Pair with a partner, and discuss his or her ideas. Write those ideas in the second column. Then record what you both would like to share with the class in the third column.
salinity wetland estuary intertidal zone coral reef
ecological succession climax community pioneer species eutrophication
REVIEW community
Biomes and Ecosystems
197
Lesson 1
Land Biomes
Scan Lesson 1. Read the headings and bold words. Look at the pictures. Identify three facts that you discovered about land biomes. Record your facts in your Science Journal.
Define biome.
Land Ecosystems and Biomes I found this on page
.
I found this on page
.
Biome:
Identify biotic and abiotic features. Circle biotic features in blue. Circle abiotic features in red.
I found this on page
.
air
birds
water
insects
sunlight
soil
mosses
trees
mammals
Identify Earth’s 7 major land biomes. 1. 2.
4. 5. 6. 7. I found this on page
.
Define a desert. Desert:
I found this on page
198
Biomes and Ecosystems
.
Identify factors that describe deserts. Circle the best choices. rainfall: