FOOD CHAINS. UNIT: Ecosystems and Energy. Watch a video about food chains within an ecosystem:

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1 FOOD CHAINS UNIT: Ecosystems and Energy TARGET(S): I can draw a food chain. I can describe examples of how organisms interact with their environment and each other. I can explain that some interactions are beneficial and others are detrimental. investigating What question will students be investigating? How will the investigation guide student understanding of the science learning target? Watch a video about food chains within an ecosystem: v=3bn7wdcp2v4 Cut out organisms and cre a food chain (mobile, mini-poster, linked). talking What types of questions and structured talk will guide student understanding of the learning target? How will you encourage student talk? Students think-pair-share about organisms they observed during the video and describe the feeding relationships. Students describe their food chain to a partner. Extension: interactive website on food webs: activity/food/food_menu.html reading Which reading will enhance or extend student understanding of the science learning target? How will you model and support student reading? Read texts about ecosystems that include specific organisms and their feeding relationships. For example: Treasures: Desert Habitats. Pass the Energy, Please! by Barbara Shaw writing How will students communicate in writing their understanding of the science learning target? How will you model and support student writing? Write a brief informative/explanatory essay that describes the food chain within an ecosystem.

2 organism producer consumer predator

3 prey herbivore carnivore omnivore

4 decomposer food chain ecosystem habitat

5 photosynthesis environment symbiosis parasite

6 host beneficial detrimental energy

7 producer consumer herbivore predator prey carnivore food chain ecosystem omnivore environment habitat decomposer

8 parasite host photosynthesis energy detrimental beneficial symbiosis detrimental beneficial symbiosis

9 any living thing an organism that s other organisms an animal that is hunted and en by a predator an animal that only s animals an organism that makes its own food an animal that hunts and s other animals an animal that only s plants an animal that s plants and animals

10 an organism that breaks down dead organisms a community of organisms with their habitat the process where plants convert energy from the sun into food two organisms that depend on each other a model that shows feeding relationships the environment where an organism lives the surroundings of an organism an organism that feeds off another organism

11 an organism off which a parasite feeds something that is bad for an organism something that is good for an organism allows organisms to do work

12 RIVER ECOSYSTEM ORGANISMS Cut out the organisms and the sun. Use them to make a mini-poster or mobile. sun salmon otters The sun provides energy for the _ Salmon are en by Salmon Otters mayfly algae bacteria Mayflies are en by Mayflies Algae is en by Algae make their own food using energy from the. Bacteria decompose dead _

13 PRAIRIE ECOSYSTEM ORGANISMS Cut out the organisms and the sun. Use them to make a mini-poster or mobile. sun ferret prairie dog The sun provides energy for the _ Ferrets Prairie dogs are en by Prairie dogs. grasshopper grass earthworm Grasshoppers are en by Grasshoppers. Grass is en by Grass make their own food using energy from the. Earthworms decompose dead _

14 FOREST ECOSYSTEM ORGANISMS Cut out the organisms and the sun. Use them to make a mini-poster or mobile. sun owl salamander The sun provides energy for the _ Owls Salamanders are en by Salamanders. bark beetle fir tree slug Bark beetles are en by Bark beetles. Trees are en by Trees make their own food using energy from the. Slugs decompose dead _

15 DESERT ECOSYSTEM ORGANISMS Cut out the organisms and the sun. Use them to make a mini-poster or mobile. sun cougar coyote The sun provides energy for the _ Cougars Coyotes are en by Coyotes rabbit sagebrush bacteria Rabbits are en by Rabbits Sagebrush is en by Sagebrush make their own food using energy from the. Bacteria decompose dead _

16 RIVER ECOSYSTEM ORGANISMS Cut the strips. Fill in the feeding relationships. Link and glue them to make a food chain. Otters Salmon Salmon are en by Mayflies Algae makes its own food by using energy from the. Mayflies are en by Algae is en by

17 PRAIRIE ECOSYSTEM ORGANISMS Cut the strips. Fill in the feeding relationships. Link and glue them to make a food chain. Ferrets Prairie dogs Prairie dogs are en by Grasshoppers Grass makes its own food by using energy from the. Grasshoppers are en by Grass is en by

18 FOREST ECOSYSTEM ORGANISMS Cut the strips. Fill in the feeding relationships. Link and glue them to make a food chain. Owls Salamanders Salamanders are en by Bark Beetles Fir trees makes its own food by using energy from the. Bark beetles are en by Fir trees are en by

19 DESERT ECOSYSTEM ORGANISMS Cut the strips. Fill in the feeding relationships. Link and glue them to make a food chain. Cougars Coyotes Coyotes are en by Rabbits Sagebrush makes its own food by using energy from the. Rabbits are en by Sagebrush is en by

20 FOOD CHAIN MINI-POSTER consumer consumer consumer decomposer producer

21 FOOD CHAIN MOBILE decomposer consumer consumer consumer producer sun

22 Name Date FOOD CHAIN ESSAY Write a brief informative/explanatory essay that describes the sequence of feeding relationships for a food chain within an ecosystem. T = (transition word ) (transition word ) (transition word ) (transition word ) transition words: first second third fourth next then before after finally during prior to previously eventually ultimately (transition word ) C =

23 Name Date FOOD CHAIN ESSAY

24 organism producer consumer predator prey herbivore carnivore omnivore decomposer food chain ecosystem habitat photosynthesis environment symbiosis parasite host beneficial detrimental energy VOCABULARY KEY any living thing an organism that makes its own food an organism that s other organisms an animal that hunts and s other animals an animal that is hunted and en by a predator an animal that only s plants an animal that only s animals an animal that s plants and animals an organism that breaks down dead organisms a model that shows feeding relationships a community or organisms within their habitat the environment where an organism lives process where plants convert energy from the sun into food the surroundings of an organism two organisms that depend on each other an organism that feeds off another organism an organism off which a parasite feeds something that is good for an organism something that is bad for an organism allows organisms to do work

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