Archivo de la categoría: S4 Biology virtual period- 2018

Human impacts on the environment: Group assignment

Some human activities affect negatively on the environment causing problems in food production, habitat destruction and pollution. Let´s investigate some of them: 1- Global warming 2- Deforestation 3- Acid rain 4- Use of fertilisers:Eutrophication 5- Monoculture 6- Plastic pollution You … Sigue leyendo

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CELL DIVISION: Comparing mitosis and meiosis

Last virtual period before the winter holidays!! Watch the video “Comparing mitosis and meiosis” a- What is the purpose of meiosis? b- Where does it take place? c- Make a drawing showing the parent and daughter cells in mitosis and … Sigue leyendo

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Biology Virtual Period: chromosomes and mitosis

CHROMOSOMES In this period we are going to learn about the continuity of life. You may have heard words like DNA, genes, inheritance, chromosomes, cell division…. let´s investigate what all these is about! Watch the video ! Activities: 1- a- … Sigue leyendo

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S4 Virtual period: Male reproductive system

Let´s start to study reproduction. Living organisms reproduce sexualy or asexualy. Therefore, we say that there are two types of reproduction. Act: Use information from the text book to build a comparison table between sexual and asexual reproduction. Humans reproduce … Sigue leyendo

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Sex hormones and puberty

Sex hormones are responsible of the most dramatic changes that occur in the body. They control puberty, egg and sperm production, pregnancy, birth and lactation. Read the information about Puberty HERE. State the female and male hormones which are responsible … Sigue leyendo

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Biology virtual period: Reflex arcs

Read page 5 from HERE. Act: Answer the interactive question and post a scrrenshot with the answers. Film 2 examples which show reflex actions. (BE CAREFUL IN USING HOT OBJECTS! MIMICS ARE ACCEPTED!) For each example, name the structures involved: … Sigue leyendo

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Biology virtual period: Nervous system: neurones and synapse

Let´s start a new topic! All mammals have a CENTRAL NERVOUS SYSTEM and a PERIPHERAL NERVOUS SYSTEM. The CNS is made up of the brain and the spinal cord. The peripheral nervous system is made up of nerves and receptores. … Sigue leyendo

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Endocrine system: adrenaline and ADH

Let´s continue studying hormones… Study the effects of adrenaline and ADH after reading this link. Act: a- Use bullet points to summarise the effects of adrenaline. b- Describe 3 situations in which adrenaline is secreted. Post a picture to show … Sigue leyendo

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S4 Biology virtual period: Endocrine system: hormones and their effects

Read page 1 from THIS LINK Act: Define the term hormone   2. Where are the endocrine glands?      Read the descriptions of the glands and the hormones they produced here Act: Build a table to summarise the  hormones  each … Sigue leyendo

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