Biogeochemical cycles EQ: How does the movement of matter and energy through biological systems impact you?

Cycles of Matter Unlike the one-way flow of energy, matter is recycled within and between ecosystems. - water and carbon cycle

What is the Water Cycle? continuous process by which water moves from Earth’s surface (ground) to the atmosphere and back to the Earth’s surface

Water cycle Water enters the atmosphere through: Evaporation Transpiration

Water cycle Water leaves the atmosphere through: Condensation Precipitation

Processes of the Water Cycle The Sun heats up the water in Earth’s oceans and lakes.

Processes of the Water Cycle 1. Evaporation: liquid water changes to a gas called water vapor.

Processes of the Water Cycle 2. Transpiration: water vapor is released by plants.

Processes of the Water Cycle 3. Condensation: Water vapor in the air gets cold and changes back into liquid, forming clouds. 

Processes of the Water Cycle 4. Precipitation: Water vapor condenses and heavy droplets fall as rain, snow, sleet, or hail

The precipitation that falls on the land will soak into the soil and become groundwater or run off the land, eventually flowing back into the ocean to occur again.

The Carbon Cycle carbon is present in the atmosphere as carbon dioxide (CO2) This carbon dioxide came from Feeding Cellular Respiration Burning of fossil fuels Decomposition of organic matter

CARBON CYCLE SUMMARY: 1. Consumers take in carbon when they eat. 2. Consumers release carbon into the atmosphere during cell respiration. 3. Producers take in carbon during photosynthesis. 4. Decomposers release carbon into the soil through decomposition. 5. Humans release CO2 in the atmosphere when burning fossil fuels. Fill in answers

Complete the Chart Process: Feeding, Cellular respiration, feeding & Death, photosynthesis, burning/ combustion, fossilization Carbon location: Consumer, producer, decomposer, atmosphere, soil, fossil fuel

Carbon Cycle Game First round- notes Second round- no notes Students are in groups of 4 1 game board and the cards are face down in a pile Draw a card and try to place it on the board If the student can play the card correctly, they place it on the board If not sure, you can hold onto the card and play it at any point in the game Points: 2 pts- play the card correctly when it is drawn 1 pt- plays the card correctly after holding it -3 pts- plays card incorrectly First round- notes Second round- no notes

Food webs and energy cycles exit ticket

Question 1 Which organism receives the least amount of energy from the producers? A. Grasshopper B. Hawk C. Mouse D. Rabbit Have students work on questions for 1-2 minutes each.

Question 2 In this marine trophic pyramid, there are several levels of consumers. What type of consumer is the herring, and what is its proper label? A. primary consumer, herbivore B. primary consumer, carnivore C. secondary consumer, herbivore D. secondary consumer, carnivore D. secondary consumer, carnivore

Question 3 In this marine trophic pyramid, the phytoplankton on the first level contain 1250 kcal of energy. How many kcal would be available for the fish that eats the herring? A. 1250 kcal B. 125 kcal C. 12.5 kcal D. 1.25 kcal D. 1.25 kcal

Question 4 Water continuously moves through the water cycle between land, oceans, and the atmosphere. When water evaporates from a puddle on the street, what happens to the water molecules? A. It is in the air as an invisible gas. B. It disappears and no longer exists. C. It immediately moves up to the clouds. D. It breaks up into hydrogen and oxygen atoms.

Question 5 The diagram below represents the carbon cycle in a simple form. Arrows show the direction in which carbon moves through the cycle. To improve this model of the carbon cycle, where is another important arrow needed? A. From the land to the ocean B. From the atmosphere to the land C. From the trees to the atmosphere D. From the atmosphere to the trees