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Listed under:  Science  >  Life  >  Plant structure and function  >  Plant metabolism
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Victorian funnel-web spider

This is an information sheet on the Victorian funnel-web spider ('Hadronyche modesta').

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Red-back spider

This is an information sheet on the red-back spider ('Latrodectus hasseltii').

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White-tailed spider

This is an information sheet on the white-tailed spider ('Lampona cylindrata').

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Measuring photosynthesis

This is a colour underwater photograph of marine scientist Candida Savage using a scientific instrument known as the diving-PAM. The diving-PAM is being used to measure photosynthesis in corals in Fiji. Candida Savage is wearing full diving clothing and equipment including mask, wetsuit and oxygen tanks.

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Marine trophic pyramid

This image displays a type of diagram known as a trophic (or ecological) pyramid. This example depicts the organisms and the matter and energy flows in a typical marine ecosystem. The diagram shows six levels of organisms from primary producers through to the top carnivores, arranged in a pyramid. Also represented is the ...

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Decoding the platypus genome

Find out what scientists have discovered from decoding the platypus genome. Learn how these discoveries provide some surprising insights into this unusual animal's underwater feeding, number of sex chromosomes, protection of its young and evolution of the male platypus's venomous spur.

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Plants and increased levels of carbon dioxide

We know that most plants use carbon dioxide to make their own food. So what might plants look like in 100 years if carbon dioxide levels continue to increase - will they become enormous and overtake our backyards? View the possible effects of changes in atmospheric carbon dioxide on plants and, in turn, humans and other animals.

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Cells and energy

Cells are like chemical factories. Discover the different ways cells get energy to carry out their daily operations. Learn about the different types of metabolic processes inside cells, such as those that break down molecules to release energy and those that assemble building blocks to make more complex components.

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Plant leaves

Leaves come in many shapes, sizes, colours and textures. Watch this clip to discover how leaves make their own food and transport energy to the rest of the plant. See how they can even be useful after they've fallen to the ground. Presenter Nick Hardcastle and some young helpers will also show you a fun, creative activity ...

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How plants work

Plants are the only living things that can make their own food. They do this during the day while it's light, using a process called photosynthesis, which uses carbon dioxide and produces oxygen. During the day and night plants take in oxygen and release carbon dioxide through respiration. Discover just how important plants ...

Teacher resource

Classifying systems in cells

The nature of how living things work is intrinsically connected and interrelated. This unit covers a broad range of topics, from molecular aquaporins (the tiny channels through which water and other molecules pass through cell membranes) to the global challenge of securing the world's food supply. It contains a sequence ...

Interactive resource

Plants

This learning object contains a series of simple animations that explores the structure of a plant and how it works. Further graphics explain photosynthesis and how plants form part of the food chain. Students are provided with a tool for developing ideas about further research. The resource also contains several self tests. ...

Teacher resource

Secondary science: visual representations

These seven learning activities, which focus on 'visual representations' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers assist students to understand ...

Interactive resource

Photosynthesis builder

Create a presentation that demonstrates what you know about the photosynthesis process, both during the day and at night. Select and position appropriate images and symbols, add text and save your presentation.

Interactive resource

Chemical reactions

Investigate chemical reactions at a molecular level. Break apart molecules of two substances into their component atoms and rearrange them to make molecules of new substances. For example, explore how methane burns in oxygen to produce carbon dioxide and water. Work out the number of molecules each substance needed to balance ...

Interactive resource

Chemical reactions: combustion

Investigate chemical reactions at a molecular level. Break apart molecules of oxygen and another substance into their component atoms and rearrange them to make molecules of new substances. For example, explore how methane burns in oxygen to produce carbon dioxide and water. Work out the number of molecules of each substance ...

Interactive resource

Chemical reactions: non-combustion

Investigate chemical reactions at a molecular level. Break apart molecules of two substances into their component atoms and rearrange them to make molecules of new substances. For example, explore how sulfur reacts with hydrogen to produce hydrogen sulfide. Work out the number of molecules of each substance needed to balance ...

Interactive resource

Chemical reactions: balancing equations

Investigate chemical reactions at a molecular level. Balance chemical equations. For example, explore how nitrogen combines with hydrogen to produce ammonia. Work out the number of molecules of each substance needed to balance the chemical equation. This learning object is one in a series of six objects. The series is also ...

Interactive resource

Chemical reactions: energy

Investigate chemical reactions at a molecular level. Break apart molecules of two substances into their component atoms and rearrange them to make molecules of new substances. For example, explore how nitric oxide combines with oxygen to produce nitrogen dioxide. Work out the number of molecules of each substance needed ...

Interactive resource

Chemical reactions: energy released by fuel

Investigate chemical reactions at a molecular level. Break apart molecules of oxygen and a fuel into their component atoms and rearrange them to make molecules of new substances. For example, explore how glucose burns in oxygen to produce carbon dioxide and water. Work out the number of molecules of each substance needed ...