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A: A linear sequence of organisms through which energy and nutrients pass, from producers (plants) to consumers (herbivores, carnivores) to decomposers.

A: It predicts the probability of offspring genotypes and phenotypes from a genetic cross. Unit 2: Evolution and Natural Selection (Evolucija in Naravna Selekcija) Q6: What is natural selection? A: The process by which organisms better adapted to their environment survive and reproduce more successfully than less adapted ones. It is the main mechanism of evolution. Biologija 9 Razred Vprasanja In Odgovori

Introduction This paper serves as a comprehensive revision guide for 9th-grade biology students. It follows the principle of active recall by presenting the most common exam questions in a clear question-and-answer format. Topics covered include genetics, ecology, evolution, and human impact on the environment. Unit 1: Genetics (Genetika) Q1: What is a gene? A: A gene is a segment of DNA that contains the hereditary information for a specific trait (e.g., eye color, blood type). A: A linear sequence of organisms through which

Biology is not just memorization – try to connect concepts (e.g., how genetics explains evolution, or how human impact relates to ecology). Understanding relationships between topics ensures long-term retention. Disclaimer: This document is a general guide. Always refer to your specific textbook and class notes, as curriculum details may vary by school and country. A: The process by which organisms better adapted

A: Reduce waste (recycle, compost), save energy (LED lights, public transport), and consume less meat (reducing water and land use). Unit 5: Human Biology (Človeška Biologija) – Selected Topics Q19: What are the functions of the circulatory system? A: Transport oxygen, nutrients, hormones, and waste products (CO₂) throughout the body; helps regulate body temperature and fight infections.