1. Warm-Up: 08/24 MATH MONDAY! Copy Agenda. On Response Page, calculate and show your work. In a savannah, the average yearly rainfall is 150cm. The average yearly rainfall in a desert is 25cm. If a global climate change causes the savannah’s average yearly rainfall to decrease by.5cm every year, in how many years will the savannah become a desert?

2. Answer 150cm – 25cm = 125cm 125cm divided by.5 cm/year = 250 years OR It takes 2 years to reduce 1 cm, so for every 2 years there is a 1cm decrease. Therefore 125cm x 2 years/cm = 250 years years

3. Warm-Up: 08/25 Copy Agenda. On Response Page, Copy each description and identify the biome described (you may use your chart) 1.Has coniferous trees and little rainfall 2. Has permafrost and mosses 3.Has maples, oaks, and ferns (your backyard) 4.Has diverse plant and animal life

4. Answers 1. Taiga 2. Tundra 3. Temperate Deciduous 4. Tropical Rainforest

5. Warm-Up: 08/26 Copy Agenda 1.Take out a blank sheet of paper. 2.Label it QUIZ and make sure your name is on the top right side of your paper 3.Number your paper from 1 to 10 and be sure to skip spaces between each number.

6. Warm-Up: 08/27 Copy Agenda. On NEW Response Page, Copy the question and provide an answer 1.Give at least one example of each: a. Marine ecosystem – b. Freshwater ecosystem – c. Wetland ecosystem – 2.What is the water composition of an estuary? 3.What is a major abiotic factor in freshwater ecosystems?

7. Answers 1. a. ocean and estuary –b. river, stream, pond lake –c. marsh and swamp 2.Salt water and freshwater mixed 3.speed of water

8. Warm-Up: 08/27 Copy Agenda. On NEW Response Page, Answer the following: How are these animals related?

9. Answer The mouse eats the grass, the snake eats the mouse, the hawk eats the snake