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Living Places Ch 5 page 184 - 188 Note to Teachers –
There are 3 videos and a drag and drop interactive in the textbook.
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5.1 Living Places – page 184/5 Organisms – any living things (Plant & Animal) Habitat – all organisms have a preferred living environment eg wetlands, marine, desert, rainforest – where all of their living needs are met. These Habitat requirements include: Food Water Shelter and living space Suitable Temperature Mating partners for reproduction Respiration gases eg oxygen and carbon dioxide
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Needs of Living Things (Organisms) pg 185
These needs can be broken into two main categories: Biotic factors: living factors in the environment – partners, food and competitors Abiotic factors: non-living factors in the environment – rain, gases, light, wind, temperature and soil. The number and type of organisms that can live at in one time in a given environment depend of the availability and competition over the available resources. Adaptations: evolved characteristics that help an organism to survive in its environment
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Read the section on Adaptations P 185/6 then choose a different Australian plant/animal/bird/fish and list 3 environmental factors that have influenced 3 adaptations of that organism.
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Adaptations p 186 Animal adaptations Plant adaptations
Camouflage – hide from predators or ambush prey. Mobile – to avoid predators or catch prey. Catch and eat food Take in oxygen Reproduce Spines and thorns – protect from grazing animals. Roots to take in water Large leaves to capture light or water Absorb carbon dioxide Reproduce
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Environmental Conditions pg 187
Environment: the term used to describe all the conditions that affect a plant or animal in its habitat Ecologists: scientists who study the interactions between living things and their environment Biosphere: the place where all life exists; consists of Earth and its atmosphere Ecosystem: a system formed by organisms interacting with each other and their non-living surroundings in a balanced way
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Interdependent: depending on each other for survival
Symbiosis: another name for interdependence Commensalism: an interaction between two organisms where one of them benefits but the other one is not affected – Clown fish and sea anemones Mutualism: an interaction between organisms where both the organisms benefit from the relationship and neither is harmed – fungus and algae (lichen) Parasitism: an interaction where one type of organism (the parasite) lives on or in another type of organism (the host); the host is usually harmed or even killed – tape worms and heart worms. Select commensalism, mutualism or parasitism, then write a short paragraph to explain a another different example of this relationship. Draw up a page sized Frayer Model in your note book of your chosen relationship and give at least 2 examples for each category. [next slide page is a template] – downloadable file on the Yr 7 Biology Wiki.
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5.1 REVIEW QUESTIONS PG 190-191 Remembering: Q1, Q2, Q3, Q4, Q5
Understanding: Q7 Applying: Q8 Analysing: Q12 Evaluating: Q14, Q15, Q17 Creating: Q18
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