Science Single Award - 4SS0 PearsonEdexcel

Variety Of Living Organisms

Muhtasari

Life on Earth comes in a staggering range of forms, from bacteria too small to see with the naked eye to towering redwood trees and blue whales. Biologists sort this diversity into broad groups based on shared cell structures and modes of nutrition, giving every organism a place in a logical classification system.

In this lesson you will learn how eukaryotic organisms (plants, animals, fungi, and protoctists) and prokaryotic organisms (bacteria) differ in their cell structure and features. You will also explore what makes an organism a pathogen and why pathogens can come from several different groups.

Malengo

Describe the common features shown by eukaryotic organisms: plants, animals, fungi and protoctists
Describe the common features shown by prokaryotic organisms such as bacteria
Understand the term pathogen and know that pathogens may include fungi, bacteria, protoctists or viruses

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Maelezo ya Somo

Walk through any park and you will pass grass, trees, insects, birds, mushrooms, and ponds full of microscopic life. Each of these organisms belongs to one of a small number of major groups. The groups are defined by features such as whether the organism has a nucleus, how it obtains food, and whether its cells have walls. Once you know the defining features of each group, you can classify almost any organism you meet.

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Tathmini ya Somo

Hongera kwa kukamilisha somo la Variety Of Living Organisms. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.

Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.

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Which of the following is a prokaryotic organism? A) Amoeba B) Yeast C) Salmonella D) Chlorella Answer: C
What material makes up the cell wall of a fungus? A) Cellulose B) Chitin C) Peptidoglycan D) Lignin Answer: B
Which group of organisms feeds saprophytically? A) Plants B) Animals C) Fungi D) Protoctists Answer: C
Viruses are not classified as living organisms because they: A) Are too small to see B) Cannot reproduce independently and are not made of cells C) Can only infect animals D) Do not contain any genetic material Answer: B
Which of the following organisms is a protoctist? A) Mucor B) Pneumococcus C) Amoeba D) Yeast Answer: C

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Vitabu Vinavyopendekezwa

Pearson Edexcel International GCSE (9-1) Science Single Award Student Book

Manukuu: First edition

Mchapishaji: Pearson Education

Mwaka: 2018

ISBN: 978-0-435-19148-5

Maelezo: Endorsed student book for 4SS0.

Jifunze zaidi kutoka vyanzo huria

Sehemu ya kitabu Prokaryotic Cells OpenStax · Biology
Name examples of prokaryotic and eukaryotic organisms

"Biology: Prokaryotic Cells" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/biology/pages/4-2-prokaryotic-cells. Access for free at https://openstax.org/books/biology/pages/1-introduction
Sehemu ya kitabu Fungal Parasites and Pathogens OpenStax · Biology
Describe fungal parasites and pathogens of plants

"Biology: Fungal Parasites and Pathogens" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/biology/pages/24-4-fungal-parasites-and-pathogens. Access for free at https://openstax.org/books/biology/pages/1-introduction

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