Do Plants and Animals Differ in Their Responses to Environmental Stimuli? If nutrients are missing from the plant’s environment, its growth might be stunted. Eats food Internal 7. 9. Trigger: A stimulus—such as a person, place, situation, or thing—that contributes I. What is phenotypic plasticity? Skeletal System. Can be used as an interactive activity within their interactive notebook. If water is lacking, the plant may wilt in response. The free powerpoint presentation will work well with this product. EXTERNAL AND INTERNAL STIMULI Plant Responses to Internal Stimuli All organisms have internal communication pathways to help them maintain homeostasis. 3. 1. 1. Bright light in your eyes - 6. Benchmark: LS-H-F3 recognizing that behavior is the response of an organism to internal changes and/or external stimuli. Hunger pains 7. Great for reviews, formative assessments, scaffold notes, … 3. How do plants respond to the environment? For example, an external signal, such as a change in day length, might cause an animal to secrete specific hormones. Triggers © 2017 Therapist Aid LLC 1 Provided by . You Bright light in eyes of person 6. 10. Internal and external stimuli usually interact to trigger specific behaviors. Stimulus: Internal or External Stimulus: Internal or External Part II Directions: Following is a list of common stimuli and responses. Approximate Duration: 45 minutes. These are ready-to-use Nervous System worksheets that are perfect for teaching students about the nervous system which connects all your body parts and transmits signals from one part to another. 2. It is a system of cells, tissue and organs that regulate the body’s responses to internal and external stimuli. Produces hormones that help regulate some of the body's activities. Biology GLE: 35. 7) Was the stimulus in this situation internal or external? Strange person enters yard of dog 8. _____ You are at the mall walking through the food court on your way to buy a new CD. You smell fresh baked pizza and realize that you skipped lunch. 2. A) migrate B) hibernation C) hide D) reproduce. Stimuli Response Internal/External 5. Some behaviors can be triggered by a single stimulus, but most behaviors occur in response to a variety of internal and external stimuli. Plants need water and nutrients to grow. TherapistAid.com. How do animals respond to the environment?-animal response to negative stimulus. _____ 8) Was the response in this situation internal or external? Explain how selected organisms respond to a variety of stimuli. genotype + environment ---> phenotype Strange person enters a dog's yard Label as Stimulus (S) OR Response (R). External triggers are situations, people, or places that you might encounter throughout your day (or things that happen outside your body). Internal triggers include thoughts or memories, emotions, and bodily sensations (for example, your heart racing). Live worksheets > English Ecosystems,Healthy Habits, First Aid,Stimuli Vocabulary for first Aid Kits, Match animals with ecosystem, Internal and External Stimuli and Findin healthy habits A stimulus that comes from the outside of an organism is a/an; A) external stimulus B) internal stimulus C) additor D) maternal stimulus. Plant Responses to External Environmental Stimuli. External and Internal Stimuli. Sharks swim toward the smell of blood 9. Then, give 3 more examples of each. Lymphatic/Immune System. Allows students to describe and compare internal stimuli, homeostasis, and external stimuli. Stimulus and Response Worksheet Period: Define stimulus: Define response: Define external stimulus: Define internal stimulus: Label as Internal (I) or External (E) Stimulus: 5. Protects internal organs, produces blood cells, gives shape and support. Fill in the missing boxes. 8. 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