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Natural sciences

Grade 8

Biodiversity

Module 26

Survival: habitat

Why are some plants and animals only found in specific areas?

Activity: to evaluate information

Work with a partner. Discuss the above question and then compile two tables of three columns each and fill in any example of which you may know. Use examples of wild animals and plants in their natural environment. Do not name pets, farm animals or garden plants.

PLANTS:

Plant name

Where does it grow?

Why does it grow there?

ANIMALS

Animal name

Where does it occur?

Why does it occur there?

Assessment of DISCUSSION ON HABITAT:

Could you obtain significant answers from the discussion?

[LO 1.3]

Poster: group work 4 - 5 learners

Plan a poster to show the habitats of animals from your list. Select two divergent habitats and try to handle the design in an original manner. Include at least three animals in each habitat.

  • Use drawings or pictures. Collect these and bring them to the lesson to complete the assignment.

Criteria:

  • Approach the assignment as a research exercise and make use of the following steps:
  • Plan the investigation
  • Collect the data
  • Formulate and communicate your findings
  • Formulate an elucidatory heading
  • Use colour in your presentation
  • Use a large text
  • Include the names of the members of the group
  • Delegate tasks
  • Choose a group member to provide feedback

Assessment of POSTER:

Did you participate constructively in this group activity by helping to plan the investigation (1.1), collect data (1.2) and communicate findings (1.3)?

[ LO 1.1; LO 1.2; LO 1.3]

Surviving in a Habitat

Organisms live in a natural environment where they are able to find food, water and shelter to protect them against enemies.

Animals also need to find partners for pairing.

Some organisms are adapted to withstand all the onslaughts of the environment.

These ADAPTATIONS comprise a strategy for survival.

Every organism’s HABITAT is the place where it lives.

Each one is adapted to its NICHE – this is its role and position in the environment.

Activity: to interpret information and apply knowledge

Study the table of STRATEGIES FOR SURVIVAL exhibited by common garden plants and animals. Provide the purpose of each adaptation.

The citrus swallowtail butterfly has mouth parts that suck up nectar. The butterfly has strong wings.

The hairy caterpillar becomes a lovely but poisonous butterfly. The prickly hairs of the caterpillar protect it.

The rose bush has thorns and leathery leaves with sharp, short tips. Caterpillars eat the leaf margins.

The chameleon has bulging eyes that can move independently. It has four toes – two point forwards and two point backwards.

It has a long prehensile tail that can grip strongly.

It is also able to adapt its colour to its surroundings.

The seeds of the thistle form an umbrella-like plume that allows long-distance dispersal by wind.

Study the following sketches and complete the accompanying questions.

The Sugarbird

Which adaptations are visible?

The fiscal shrike

How has this bird adapted?

The praying mantis

Describe the adaptation of the praying mantis.

Assessment for ADAPTATIONS:

Could you make correct deductions by allocating information to categories and interpreting it?

[LO 2.3; 2.4]

Assessment

Learning outcomes 1: Scientific investigations

The learner will be able to act confidently on curiosity about natural phenomena, and to investigate relationships and solve problems in scientific, technological and environmental contexts.

This is evident when the learner

1.1 is able to plan investigations;

1.2 is able to conduct an investigation and collect data;

1.3 is able to evaluate data and communicate findings.

Learning outcomes 2: Constructing Science Knowledge

The learner will know and be able to interpret and apply scientific, technological and environmental knowledge.

This is evident when the learner

2.3 is able to interpret information;

2.4 is able to apply knowledge.

Memorandum

Activity: DISCUSSION ON HABITAT

  • Instruct learners to do this discussion in dialogue (two learners to a group).

Poster: GROUP WORK – 4-5 LEARNERS

  • Give advance instruction to learners for forward planning and finding of materials.

Activity: STRATEGIES for SURVIVAL

  • Cutting and pasting activity.

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
Alexandre
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Natural sciences grade 8. OpenStax CNX. Sep 12, 2009 Download for free at http://cnx.org/content/col11050/1.1
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