Biology

SLO 12.2 Types of Coordination (Nervous and Chemical Coordination)

12.2.1 Differentiate Between Two Main Types of Coordination in Living Organisms Feature Nervous (Electrical) Coordination Hormonal (Chemical) Coordination Definition Rapid communication using electrical impulses via neurons. Slower communication using chemical messengers (hormones) via bloodstream. Speed Fast (milliseconds). Slow (seconds to…

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SLO 11.1 Introduction

11.1.1 Recognise the Importance of Homeostasis Homeostasis is the process by which organisms maintain a stable internal environment despite external changes. Its importance includes: 11.1.2 Discuss Negative Feedback Mechanism A negative feedback mechanism counteracts changes in a system to restore…

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SLO 10.3 Meiosis

10.3.1 Differentiate Among the Events of Meiosis I (Prophase, Metaphase, Anaphase, Telophase) Meiosis I is the first division in meiosis, reducing the chromosome number from diploid (2n) to haploid (n). It consists of four stages: Prophase I: Metaphase I: Anaphase…

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SLO 10.2 Mitosis

10.2.1 Describe the Events Through Which Mitotic Apparatus Is Formed in Prophase in Animal and Plant Cells During prophase, the first stage of mitosis, the mitotic apparatus (spindle fibers and associated structures) forms to facilitate chromosome segregation. The key events…

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