Science Double Award - 4SD0 PearsonEdexcel

The Organism In The Environment

Bayani Gaba-gaba

Look around any natural space and you will see organisms interacting with each other and with their surroundings. Understanding how ecologists describe and measure these interactions is the starting point for the entire ecology unit.

In this lesson you will learn the key terms that ecologists use to organise the living world - from populations and communities to habitats and ecosystems. You will also discover how to investigate population size using quadrats and explore the abiotic and biotic factors that control where organisms live and how many of them survive.

Manufura

  1. Understand the terms: population, community, habitat and ecosystem
  2. Investigate the population size of an organism in two different areas using quadrats
  3. Understand how abiotic and biotic factors affect the population size and distribution of organisms

Takardar Darasi

A single rockpool on a shoreline contains algae, limpets, crabs and tiny fish, all depending on each other and on the temperature, salinity and light that the pool receives. Ecologists call that pool an ecosystem, and to study it properly they need a shared vocabulary and reliable methods for counting organisms. Get those two things right and you can explain why a species thrives in one place but vanishes a few metres away.

Akwai a cikin manhajar Green Bridge

Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.

Cikakkiyar bayanan darasi tare da zane-zane
Mataimakiyar koyo da AI
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Akwai a Android, Windows, macOS, da Linux

Nazarin Darasi

Barka da kammala darasi akan The Organism In The Environment. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. Which of the following best defines a 'community'? A) All the organisms of one species in an area B) All the populations of different species in an area at the same time C) The place where an organism lives D) All the abiotic factors in an area Answer: B
  2. A student counts 60 daisy plants in 10 quadrats each measuring 1 m squared. The total field area is 500 m squared. What is the estimated daisy population? A) 300 B) 600 C) 3000 D) 6000 Answer: C
  3. Which of the following is an abiotic factor? A) Competition B) Predation C) Light intensity D) Disease Answer: C
  4. Why must quadrats be placed randomly in a survey area? A) To make the experiment easier B) To ensure the sample is representative and avoids bias C) To increase the total number of organisms counted D) To reduce the number of quadrats needed Answer: B
  5. In a woodland ecosystem, what would be the most likely effect of a disease killing most of the rabbits? A) Fox population increases B) Grass population increases C) Owl population increases D) Beetle population decreases Answer: B

Akwai a cikin manhajar Green Bridge

Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.

Cikakkiyar bayanan darasi tare da zane-zane
Mataimakiyar koyo da AI
Yi karatu ba tare da intanet ba, a kowane lokaci, a ko'ina
Akwai a Android, Windows, macOS, da Linux

Akwai a cikin manhajar Green Bridge

Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.

Cikakkiyar bayanan darasi tare da zane-zane
Mataimakiyar koyo da AI
Yi karatu ba tare da intanet ba, a kowane lokaci, a ko'ina
Akwai a Android, Windows, macOS, da Linux

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan The Organism In The Environment? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

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Duk abin da kake buƙata don yin fice a JAMB, WAEC & NECO.

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