Biology - 4BI1 PearsonEdexcel

Level Of Organisation

Akopọ

A single heart cell cannot pump blood around the body on its own. Thousands of cardiac muscle cells, working together as a tissue, contract in rhythm. Those tissues combine into the heart organ, which forms part of the circulatory system. This layered arrangement, from the smallest organelle to the largest organ system, is how complex organisms achieve things no single cell could manage alone.

In this lesson you will learn the five levels of organisation in multicellular organisms: organelles, cells, tissues, organs and organ systems. You will explore examples from both animals and plants and practise identifying each level in diagrams.

Awọn Afojusun

  1. Describe the levels of organisation in organisms: organelles, cells, tissues, organs and systems

Akọ̀wé Ẹ̀kọ́

Unicellular organisms carry out every life process within a single cell. Multicellular organisms take a different approach: their cells specialise and work together at increasing levels of complexity. Understanding these levels helps you see how a whole organism functions as an integrated unit.

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Oriire fun ipari ẹkọ lori Level Of Organisation. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  1. Which of the following correctly lists the levels of organisation from smallest to largest? A) Cell, organelle, tissue, organ, organ system B) Organelle, cell, tissue, organ, organ system C) Organelle, tissue, cell, organ, organ system D) Cell, tissue, organelle, organ system, organ Answer: B
  2. A group of similar cells working together to perform the same function is called: A) An organ B) An organism C) A tissue D) An organ system Answer: C
  3. Which of the following is an example of an organ? A) A single muscle cell B) The lungs C) A mitochondrion D) Epithelial tissue Answer: B
  4. The circulatory system is an example of: A) A tissue B) An organ C) An organ system D) A cell Answer: C
  5. Which organelle is the site of aerobic respiration? A) Nucleus B) Ribosome C) Chloroplast D) Mitochondrion Answer: D

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
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Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
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O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

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