Ecological Niche How an Organism Lives

Duration: 7 min

This video lesson is available to enrolled students.

Return to /learn/BIHAR-STET-COMPUTER-SCIENCE-COMPLETE-COURSE/environmental-science/environment/ecology-ecosystem-parts-interactions-food-chainsbasic/asset-ecological-niche-how-an-organism-lives after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About the course: About the Course
  2. Mathematical Aptitude: Number System, HCF LCM, Divisibility Rules, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Time and Work, Mensuration and Geometry, Simple Interest and Compound Interest, Speed Time and Distance, Age Problems, Mixture and Alligation, Algebra, Powers and Exponents (Surds and Indices), Pipe and Cistern, Trigonometry, Statistics, Data Interpretation, Arithmetic
  3. Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Analogy, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Seating Arrangements, Syllogisms, Venn Diagram, Puzzle Solving (Puzzles), Logical Sequence Of Words, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Analytical Reasoning (Counting Figures Reasoning), Cubes & Dices, Calendar, Clock
  4. General Knowledge: Physics, Chemistry, Biology, History, Geography, Polity, Indian Economy, GK- Current Affairs, Static General Knowledge
  5. Art of Teaching: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Classroom Management & Communication, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement, Professional Development & Ethics, Policies, Acts & Contemporary Issues, Curriculum & School Environment, Guidance, Counselling & Mental Health, Inclusive Education & Special Needs, Micro-Teaching & Teaching Skills, Lesson Planning
  6. Environmental Science: Environment
  7. Unit 1 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  8. Unit 2 | COA: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer
  9. Unit 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  10. Unit 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. Unit 4 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  12. Unit 5 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  13. Unit 6 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control
  14. Unit 7 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer
  15. Unit 8 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  16. Unit 9 | Object Oriented Programming: OOPS with C++
  17. Unit 10 | Web Development: HTML Basics, CSS, JavaScript-Basics, XML
  18. Unit 11 | Theory Of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines
  19. Unit 12 | IoT: Emerging Tech Trends, Cloud Computing
  20. Unit 13 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  21. Unit 14 | E-Commerce: Electronic Data Interchange and E-Commerce, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Physical Security and Cryptography Basics, Cyber Safety and Security
  22. Unit 15 | Multimedia: Multimedia
  23. Unit 16 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis, DSA using Python
  24. Full Length Mock Tests — General Paper:
  25. Full Length Mock Tests — Computer Science (Paper II):
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This bilingual lecture introduces the ecological niche as an organism's functional role in its ecosystem, emphasizing that it extends beyond feeding to include resource use, environmental conditions, and interactions. The instructor uses a static slide with English and Hindi text, adding red handwritten annotations to link the biological concept to business analogies such as a niche market and a shop. The lesson progresses by underlining key phrases, mapping components on the whiteboard, and finally transitioning to a comparison slide that distinguishes habitat, niche, and ecosystem using a two-column table.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a bilingual slide titled "Ecological Niche: How an Organism Lives" featuring English and Hindi definitions. The instructor introduces the concept by writing a red handwritten "niche" in the upper-right area and begins linking it to business terms like "Niche market" and "Shop." The slide body presents an English definition followed by a Hindi paragraph, establishing the foundational idea that a niche describes how an organism lives and functions within its ecosystem.

  2. 2:00 – 5:00 02:00-05:00

    The instructor elaborates on the niche's components using an "Important Points" section that lists what food and resources are used, where and when activities occur, and how the organism interacts with others. Red underlines highlight key phrases such as "organism lives and functions" and "resource use, suitable environmental conditions." The instructor emphasizes that while feeding is important, it does not represent the whole niche. Handwritten annotations map "Niche" to "Niche Market" and "Shop" to "Store," using analogies to clarify the concept's scope.

  3. 5:00 – 7:18 05:00-07:18

    The lesson transitions to a new slide titled "Habitat, Niche and Ecosystem: Understand the Difference," which features a two-column table comparing English and Hindi terms. The instructor adds red pen marks, including underlines beneath "suitable conditions" and a handwritten "Add." note on the right. This section distinguishes between related ecological concepts, building on the earlier definition of niche by contrasting it with habitat and ecosystem to clarify their unique roles in ecological organization.

The lecture systematically builds understanding of the ecological niche by first defining it as an organism's functional role, then breaking down its components into resource use, environmental conditions, and interactions. The instructor employs bilingual text and business analogies to make the abstract concept accessible, using handwritten annotations to emphasize key terms. The progression from definition to component analysis to comparative distinction ensures students grasp both the internal structure of a niche and its relationship to broader ecological concepts. The use of underlines, circles, and arrows creates visual hierarchy that guides attention to critical ideas while the transition to a comparison table provides a clear framework for differentiating related terms.

Loading lesson…