Ecological Ecological RelationshipsRelationshipsModule 8D Summer 2004Module 8D Summer 2004

All of you will be able to:All of you will be able to:

collect data to investigate a question about a collect data to investigate a question about a habitat using appropriate apparatus and habitat using appropriate apparatus and techniques; techniques;

use ICT to collect, store and present use ICT to collect, store and present information.information.

name some organisms found in a habitat. name some organisms found in a habitat. and describe how they are adapted to and describe how they are adapted to

environmental conditions; environmental conditions; recognise that the abundance and distribution recognise that the abundance and distribution

of organisms is different in different habitats.of organisms is different in different habitats.

Some of you will be able to:Some of you will be able to:

Suggest what data should be collected to Suggest what data should be collected to investigate a habitat. investigate a habitat.

Use a sampling technique to collect data.Use a sampling technique to collect data. classify some plant specimens classify some plant specimens identify and name organisms; describe how identify and name organisms; describe how

they are adapted to the environmental they are adapted to the environmental conditionsconditions

Explain why there are more organisms than Explain why there are more organisms than others in some placesothers in some places

Lesson 1Lesson 1

Walt:Walt: that organisms only survive in a habitat where that organisms only survive in a habitat where

they have everything they need for life and they have everything they need for life and reproduction reproduction

Wilf:Wilf: suggest how organisms living in different suggest how organisms living in different

habitats get the essentials for life and habitats get the essentials for life and reproductionreproduction

identify organisms likely to be found in a identify organisms likely to be found in a habitat habitat

2:2: 28/5/04 28/5/04 Changing habitatsChanging habitats

Walt:Walt: all feeding relationships within a habitat are all feeding relationships within a habitat are

interconnected.interconnected. make predictions about the effect of different make predictions about the effect of different

environmental factors on plant and animal populations.environmental factors on plant and animal populations.

Wilf:Wilf: identify the food chains which make up a food webidentify the food chains which make up a food web use the terms ‘producer’, ‘consumer’ and other terms use the terms ‘producer’, ‘consumer’ and other terms

related to feedingrelated to feeding predict how changing the size of one population will predict how changing the size of one population will

affect the numbers of other speciesaffect the numbers of other species

KeywordsKeywords

HabitatHabitat Environmental conditionsEnvironmental conditions AdaptedAdapted SurviveSurvive PredatorPredator ConsumerConsumer ProducerProducer Green plantGreen plant HerbivoreHerbivore Carnivore Carnivore

What happens to the bog What happens to the bog environment? environment? Is this good or Is this good or bad?bad?

You have the information about the development of the You have the information about the development of the bog.bog.

Use this information to fill in the table – Use this information to fill in the table – What is happening at the bog?What is happening at the bog? Which is the producer, consumer … etc.Which is the producer, consumer … etc.

When you have done this: plan your poster – use the When you have done this: plan your poster – use the evidence from the sheet and evidence from the sheet and realreal knowledge about knowledge about bogs and insects and birds.bogs and insects and birds.

Then draw your poster – use scientific keywords to Then draw your poster – use scientific keywords to help you. help you.

Is building a road good or bad?Is building a road good or bad?

What happens to the bog environment?What happens to the bog environment? Is this morally good or bad?Is this morally good or bad? Why?Why?

Is it useful to have an extra road?Is it useful to have an extra road? Why is it useful?Why is it useful? What might be a problem?What might be a problem?

ClassificationClassification

Walt:Walt: The groups for living The groups for living

organismsorganisms

Adaptations of plantsAdaptations of plants How to use keys for How to use keys for

identifying plantsidentifying plants

Extension:Extension: Using key to identify Using key to identify

real plant samplesreal plant samples

Wilf:Wilf:11 Your ideas to startYour ideas to start

22 A worksheet 8D.1e with groups and A worksheet 8D.1e with groups and your ideasyour ideas

Corrections on the worksheetCorrections on the worksheet if if necessarynecessary

33 Describe why mosses and Describe why mosses and liverworts live in damp habitats.liverworts live in damp habitats.

Ext: Why vascular plants live in many placesExt: Why vascular plants live in many places

4 4 Read and use w/ s 8D.1f Q 1Read and use w/ s 8D.1f Q 1 Ext: finish work on 8D.1f (items 2 Ext: finish work on 8D.1f (items 2

and 3)and 3)

55 What have you learned today?What have you learned today?

ClassificationClassification We classify living organisms into two main We classify living organisms into two main groups groups (but there are more):(but there are more):

AnimalsAnimals

What are the main What are the main groups of the animal groups of the animal kingdom?kingdom?

PlantsPlants

What are the main What are the main groups of the plant groups of the plant kingdom?kingdom?

8D slide 6 to find out8D slide 6 to find out

ClassificationClassification How can we separate living organisms into How can we separate living organisms into two main groups?two main groups?

ClassificationClassification We classify animals into two main groups:We classify animals into two main groups:

vertebratesvertebrates amphibiansamphibians birdsbirds fishfish mammalsmammals reptilesreptiles

invertebratesinvertebrates annelidsannelids arthropodsarthropods coelenteratescoelenterates flatwormsflatworms molluscsmolluscs

ClassificationClassificationWe separate plants into two main types:We separate plants into two main types:

Non-vascular plantsNon-vascular plants

These have no special These have no special transport system to transport system to move water and move water and nutrients.nutrients.

Vascular plantsVascular plants

These have special These have special transport systems to transport systems to move water and move water and nutrients.nutrients.

ClassificationClassificationWe separate plants into two main types:We separate plants into two main types:

Non-vascular plantsNon-vascular plants

They are usually found They are usually found in damp places in damp places where there is a lot where there is a lot of water.of water.

They have thin leaves They have thin leaves that lose water easily that lose water easily and no proper roots and no proper roots to absorb water.to absorb water.

Vascular plantsVascular plants

These have special These have special transport systems to transport systems to move water and move water and nutrients.nutrients.

The xylem carries The xylem carries water and salts.water and salts.

The phloem carries The phloem carries sugars.sugars.

The plant kingdomThe plant kingdom

plants

Non-vascular vascular

ferns conifersFlowering

plantsMosses and liverworts

Characteristics of plants?Characteristics of plants?

Thin leavesThin leaves No water proof layerNo water proof layer No proper rootsNo proper roots Spores in a capsuleSpores in a capsule Strong rootsStrong roots Strong leavesStrong leaves Water proof layer on leavesWater proof layer on leaves Spores under leavesSpores under leaves Leaves like needlesLeaves like needles Seeds in a coneSeeds in a cone Leaves with waterproof layerLeaves with waterproof layer Flowers that produce seeds in a fruitFlowers that produce seeds in a fruit

Page 42Page 42

Measuring environmentsMeasuring environments

how to frame how to frame questions that can be questions that can be investigatedinvestigated

•• to use scientific to use scientific knowledge and knowledge and understanding to raise understanding to raise questions about habitatsquestions about habitats

•• to decide what to decide what data might be collected data might be collected and how to present data and how to present data

•• how to use ICT to how to use ICT to measure and record measure and record environmental factors environmental factors

decide on questions to decide on questions to be investigatedbe investigated

•• suggest data to suggest data to be collectedbe collected

Measuring environmentsMeasuring environments

What is different about different places – What is different about different places – e.g. pond, bog, parkland, meadow, e.g. pond, bog, parkland, meadow, woodland, desert?woodland, desert?

Decide on two things that you could Decide on two things that you could measure about the environment itself e.g. measure about the environment itself e.g. temperaturetemperature

Discuss and then write down the Discuss and then write down the instructions for someone else to measure instructions for someone else to measure those things for you.those things for you.

Interdependence – or how Interdependence – or how living things depend on living things depend on each othereach other

Walt:Walt: all feeding all feeding

relationships relationships within a habitat within a habitat are are interconnectedinterconnected

that food webs that food webs are made up of are made up of a number of a number of food chainsfood chains

Wilf:Wilf: identify the food chains identify the food chains

which make up a food which make up a food webweb

use the terms ‘producer’, use the terms ‘producer’, ‘consumer’ and other ‘consumer’ and other terms related to feedingterms related to feeding

predict how changing the predict how changing the size of one population will size of one population will affect the numbers of affect the numbers of other speciesother species

Today’s work:Today’s work:1.1. What do humans depend on so we can What do humans depend on so we can

survive?survive?2.2. Read text book pages 46 to 47Read text book pages 46 to 473.3. Answer questions 1 to 5Answer questions 1 to 54.4. Read text book page 48Read text book page 485.5. Answer questions 6 and 7 – explain Answer questions 6 and 7 – explain

carefullycarefully6.6. Read text book page 49Read text book page 497.7. Answer questions 8 and 9Answer questions 8 and 98.8. Test your learning by completing worksheet Test your learning by completing worksheet

8D.1a8D.1a

Interdependence or how Interdependence or how living things depend on living things depend on each othereach other

Producer Producer ConsumerConsumer HerbivoreHerbivore CarnivoreCarnivore OmnivoreOmnivore PredatorPredator Food chainFood chain Food webFood web Pyramid of numbersPyramid of numbers

Revision and checking Revision and checking understandingunderstanding

Try to complete worksheet 8D.3a without using Try to complete worksheet 8D.3a without using your textbook.your textbook.

Check you have got this correct.Check you have got this correct. Complete 8D summary sheet:Complete 8D summary sheet:

Fill in wordsFill in words Link ideasLink ideas Check with the book to understand where you went Check with the book to understand where you went

wrong and what you did right.wrong and what you did right. Try the dominoes game to make food chains or Try the dominoes game to make food chains or

even food webs.even food webs.