4 SCIENCE IV LEARNING ACTIVITY SHEET BENEFICIAL AND HARMFUL INTERACTIONS AMONG LIVING THINGS Second Quarter-Week 6 Prepared by: LETTY L. MALECDAN DepEd CAR Schools Division of Mountain Province Natonin District Apapawan Elementary School Republic of the Philippines Department of Education CORDILLERA ADMINISTRATIVE REGION SCHOOLS DIVISION OF MOUNTAIN PROVINCE NATONIN MOUNTAIN PROVINCE APAPAWAN ELEMENTARY SCHOOL Published by: Learning Resource Management and Development System COPYRIGHT NOTICE 2023 Section 9 of Presidential Decree No. 49 provides: “No copyright shall subsist in any work of the Government of the Philippines. However, prior approval of the government agency of office wherein the work is created shall be necessary for exploitation of such work for profit.” This material has been developed for the implementation of K-12 Curriculum through the Curriculum Implementation Division (CID)Learning Resource Management and Development System (LRMDS). It can be reproduced for educational purposes and the source must be acknowledged. Derivatives of the work including creating an edited version, an enhancement or a supplementary work are permitted provided all original work is acknowledged and the copyright is attributed. No work may be derived from this material for commercial purposes and profit. ii PREFACE This module is a project of the Curriculum Implementation Division particularly the Learning Resource Management and Development Unit, Department of Education, Schools Division of Mountain Province which is in response to the implementation of the K to 12 Curriculum. This Learning Material is a property of the Department of Education- CID, Schools Division of Mountain Province. It aims to improve student’s performance specifically in Mathematics. Date of Development: 02/06/2023 Resource Location: Schools Division of Mountain Province Natonin District Apapawan Elementary School Learning Area: Science Grade Level: 4 Learning Resource Type: Learning Activity Sheets Language Used: English Content Standard: The learner demonstrates understanding of beneficial and harmful interactions occur among living things and their environment as they obtain basic need Learning Competencies Describe some types of beneficial and harmful interactions among living things. with Codes S4LT-IIi-j-18 “Mankamuy” IKSP: Quarter / Week: Q2/Wk 6 iii ACKNOWLEDGMENT The developer would like to acknowledge the following for their invaluable help in developing this module: Her colleagues at Apapawan Elementary School, and their School Head, Rovelyn P. Beralas, for the encouragements and support in the development of this Learning Acttivity Sheet; To her family for the understanding ang love; Above all, to Almighty God for the strength ang knowlegde he bestowed. LLM Pre-Evaluators MELBA A. LIMANGAN Teacher III MYRAVIL B. INALDO Teacher II ROVELYN P. BERALAS Principal II JUNE II A. KIBLASAN PSDS DIVISION LRMDS STAFF NIKKI T. MACABEO Librarian II ANDRES M. CUYASAN Project Development Officer II VALERIA P. GULLOD EPSvr-Science JOCELYN P. SAMIDAN EPSvr-LRMDS CONSULTANTS KHAD M. LAYAG, Ed.D. CES, Curriculum Implementation Division VIRGINIA AMOGAN BATAN CESO VI OIC, Assistant Schools Division Superintendent SALLY BANAKEN ULLALIM CESO V Schools Division Superintendent iv TABLE OF CONTENTS Title Page Copyright Notice …………………………………………………… ii Preface ……………………………………………………………… iii Acknowledgment …………………………………………………… iv Table of Contents …………………………………………………… v Learning Competency ………………………………………………. 1 Background Information ……………………………………….…… 1 Activity 1… …………………...……………………………………. 3 Activity 2 …………………………………………………………… 3 Activity 3.............................................................................................. 4 References ………………………………………………………….. 4 Answer Key ………………………………………………………… 5 v 4 SCIENCE IV LEARNING ACTIVITY SHEET BENEFICIAL AND HARMFUL INTERACTIONS AMONG LIVING THINGS Second Quarter-Week 6 Prepared by: LETTY L. MALECDAN Name of Learner: ___________________________ Date: _____________ Grade Level/Section: __________________________Score: ____________ I. Learning Competency with code Describe some types of beneficial and harmful interactions amog living things. (Quarter 2, Week 6) S4LT-IIi-j-18 II.Background Information for Learners There are interactions where both species benefit from the relationship and there are also interactions where one species benefits but the other is neither affected nor harmed. Beneficial Interactions among Living Things in their Environment 1. Mutualism is a type of interaction where both species benefit from the relationship. Example: The butterfly benefits from the nectar of the flower while the flower needs the butterfly for pollination. 2. Commensalism is a type of interaction where one organism benefits while the other is not harmed nor affected. Example: The bird makes a nest in the tree.The tree provides shelter and protection to the bird without getting harmed. Harmful Interactions among Living Things in Their Environment 1. Predation is a type of interaction where one benefits while the other one is harmed or badly affected. The predator usually kills or attacks a smaller or weaker animal called prey. 1 Example: The cat kills the rat for food. 2. Parasitism is a relationship where one organism is benefited while the other is harmed. The organism that benefits from the interaction is called parasite. The one that is affected is called host. Example: Mosquito is a parasite that drinks human blood which causes human to get itchy ang can even get them sick. 3. Competition is the striving or competing between organisms for the things needed for survival. Organisms may compete for food, sunshine, space, shelter, water and other things that they need for survival. Example: Weeds and rice plants compete on the nutrients from soil, water, sunlight and space. People in the locality of Natonin, Mountain Province practice the “mankamuy” to remove the weeds in rice fields. This is to avoid competition between the weeds and the rice plant. 2 III. Directions: Read and understand the instructions in each activity before answering. Write yours answers on your answer sheets. IV. Activities Activity 1. Interact with Me. Write what kind of relationship is being described in each item. Parasitism 1. The fleas on the body of the dog. ______________2. The frog snatches flying insects for food. ______________3. Fungi get their food from breaking down deadwoods to release nutrients to living things. ______________4. The ant protect the tree as it attacks herbivorous animals while the tree provides shelter and food for the ants. ______________5. The cattle egrets scoop up the insects disturbed by the cattles when they move while the cattles are unaffected. Activity 2. I Can Choose. Select and write the letter of the best answer. 1. What will happen if there are more predators than preys in an ecosystem? A. The source of foods will increase. B. The source of foods will decrease C. The source of foods will remain the same. D. Other animals will also decrease in number 2. Why relationship between a bee and a flower is considered mutuality? A. The bee benefits from the interaction because of the nectar it gets from the flower. B. The flower benefits from the interaction because of the pollen grain being transferred by the bee from one flower to another. C. Both the bee and the flower benefit from the interaction because of the good things that contribute to their development. D. The bee benefits from the interaction while the flower is affected. 3. You put twelve small fish in an aquarium which contains three gallons of water. You fed them with the right amount of food. After five days, some of the fish died. Why did it happen? 3 A. B. C. D. The smelly and cloudy water in the aquarium was not replaced. The aquarium did not have enough temperature range. There was no enough space for the number of fish. The aquarium was moved to another place. 4. One example of commensalism is when the plant like fern is attached on a branch of a tree. Why is the interaction called commensalism? A. Both the branch of a tree and a fern benefit from each other. B. Only the branch of a tree is benefitted from the relationship. C. A fern benefits from the relationship while the branch of a tree is neither harmed nor benefitted. D. They compete with each other. 5. Which of the following pairs of organisms has harmful interactions? A. a snake and a rat B. orchids and trunk of a tree C. a bird’s nest and a tree D. butterflies and flowers Activity 3. Draw Me Draw 1 beneficial interaction and 1 harmful interaction you can see in the community. Use the rubrics below as your guide. Originality Creativity Impact Total 5 5 5 15 V. Reflection Complete the sentences below. Write yours answers on your answer sheets. In this lesson, I learned that __________________________________. I enjoyed ______________________________________________________. I want to learn more about _________________________________________. 4 VI. Refferences Milan,Liza-Vic S. Learning Activity Sheet, Department of Education 2020 Sarmiento, Helen M. Learning Activity Sheet 2020, Department of Education, Republic of the Philippines. VII. Answer Key Activity 1 1. Parasitism 2. Predation 3. Mutualism 4. Mutualism Activity 2 1. 2. 3. 4. 5. B C C C A Activity 3 Answers may vary 5. Commensalism 5
