'Cilia' diaporamas de présentation

Biology Assessment Items

Biology Assessment Items. Biology Content. How are prokaryotes different from eukaryotes? a. Prokaryotes can make their own food but eukaryotes cannot. b. Eukaryotes have a cell wall, but prokaryotes do not. c. Eukaryotes have a nucleus but prokaryotes do not.

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Theme 6 : The continuity of life is based on heritable information in the form of DNA

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Water and Electrolyte Balance in Animals

Water and Electrolyte Balance in Animals. Chapter 42. Water Balance and Animals. Chemical reactions of life are in aqueous solutions An electrolyte is a compound that dissociates into ions when dissolved in water

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Immune System

Immune System. Chapter 43. Introduction to the Immune System. The human body must defend itself against unwelcome intruders. It must also deal with abnormal body cells, which, in some cases, may develop into cancer. Two major kinds of defense have evolved to counter such threats.

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Animal Reproduction

Animal Reproduction. Sexual Reproduction. Sexual reproduction confers the production of genetic diversity. Sexual reproduction requires the joining of two haploid cells into one, which becomes a diploid individual. These haploid cells, or gametes, are produced by meiosis.

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The Human Immune System

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The Kingdom Protista

The Kingdom Protista. Heterotrophic Protists Part I: Sarcodines & Ciliates. Protozoans. The kingdom protista contains a diverse collection of organisms ---animal-like, plant-like and fungus-like organisms. All of them are eukaryotic, and lack any tissue differentiation.

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Variety of animal cells

Variety of animal cells. Smooth muscle cells are cells which show no variation in a tissue. They are spindle shaped which allow them to contract and relax in the muscles of the alimentary canal allowing peristalsis to take place. . Smooth muscle cells.

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Phylum Mollusca

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Cambridge IGCSE Biology Extended Level

Click Biology. Cambridge IGCSE Biology Extended Level. Cells. You should be able to:. Identify and describe the structure of plant cells and animal cells, and describe the functions of their parts. Describe the difference between animal cells and plant cells.

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The Respiratory and Digestive Systems Key

The Respiratory and Digestive Systems Key. I. The Respiratory System. Define respiratory system. The system that functions to get oxygen from the environment and remove carbon dioxide and other waste products. I. The Respiratory System.

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Objectives

Objectives. Be able to discuss the generalized functions of the respiratory system. Be able to identify the major organs of the respiratory system and describe the function of each. Be able to describe the major respiratory disorders.

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Cell organelles

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Bellwork

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Histology Practical

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The Immune System

The Immune System. Year 9 Science The Body At War. The Battle Lines are drawn. There are billions of microbes, such as viruses and bacteria all around us. Some of these microbes are pathogens (recall what that means?)

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Cell Membrane

Cell Membrane. Every cell is surrounded by a protective membrane called a cell membrane . This membrane is flexible & protects the inside of the cell from the environment outside of the cell.

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Prokaryote

A cell whose genetic material is contained in a nucleus. Prokaryote. A cell whose genetic material is not in a nucleus. Eukaryote. Nucleus. Control center of the cell. Where proteins are put together. Ribosomes. Endoplasmic Reticulum. Smooth ER produces lipids Rough ER produces proteins.

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Respiratory system

Respiratory system.

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