Please complete the Food Web Worksheet Part B

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Presentation transcript:

Please complete the Food Web Worksheet Part B Do now activity Please complete the Food Web Worksheet Part B

Section 8-2: trophic levels Essential Question: How does energy move through the trophic levels and what happens to it when it is passed from one trophic level to the next? Learning Target Describe the movement of energy across trophic levels. Explain energy distribution when moving from one trophic level to the next. Section 8-2: trophic levels

announcements Biology Tutoring this week: Lunch B (Tuesday & Thursday) 7:00AM (Monday – Friday) After school Biology Tutoring: Tuesday Section 7 Quiz Retakes are available until 3/10/17. Critical Readings due this Thursday!

announcements Available Extra Credit: Tissue Box = 2 Points Starburst Original Jellybeans = 1 Class Pass Stauffer’s Original Animal Crackers = 2 Class Passes

Don’t forget to chunk your notes!

Food chains Food chains show energy moving from the ___ to the __________ to the __________ .

Food chains Food chains show energy moving from the sun to the ___________ to the _________ .

Food chains Food chains show energy moving from the sun to the producer to the _________ .

Food chains Food chains show energy moving from the sun to the producer to the consumer .

Each step of a food chain is called a ____________ . Food chains Each step of a food chain is called a ____________ .

Each step of a food chain is called a trophic level . Food chains Each step of a food chain is called a trophic level .

A food web connects all the ____ ________ within an ecosystem together Food webs A food web connects all the ____ ________ within an ecosystem together

A food web connects all the food chains within an ecosystem together Food webs A food web connects all the food chains within an ecosystem together

Trophic levels Only about ____ % of the Energy in one level is transferred to the next. 1% 10% 100% Energy Pyramid

Only about 10% of the Energy in one level is transferred to the next. Trophic levels Only about 10% of the Energy in one level is transferred to the next. 1% 10% 100% Energy Pyramid

Most of the energy consumed is used by the animal to keep it alive. Trophic levels Most of the energy consumed is used by the animal to keep it alive. 1% 10% 100% Energy Pyramid

What is left is released as _______ into the environment Trophic levels What is left is released as _______ into the environment 1% 10% 100% Energy Pyramid

What is left is released as heat into the environment Trophic levels What is left is released as heat into the environment 1% 10% 100% Energy Pyramid

According to the pyramid, what organism is in the third trophic level? The Biomass Pyramid According to the pyramid, what organism is in the third trophic level? Grass Grasshopper Frog Snake

According to the pyramid, what organism is in the third trophic level? The Biomass Pyramid According to the pyramid, what organism is in the third trophic level? Grass Grasshopper Frog Snake

The Biomass Pyramid According to the pyramid, how much energy will the last trophic level gain? 1,000 100 10

The Biomass Pyramid According to the pyramid, how much energy will the last trophic level gain? 1,000 100 10

SUNLIGHT !!! Trophic levels Herbivores (Cows) Producers (grass) Omnivores or Carnivores (Humans) Herbivores (Cows) Producers (grass) Secondary Consumers Primary Consumers Producers Energy 1% energy available 10% energy available 100% energy available 10 % Energy 10 % Energy SUNLIGHT !!!

Please complete the Food Web Worksheet Part C Do now activity Please complete the Food Web Worksheet Part C

Food web project due next Wednesday