Fourth level 4-01a
I understand how animal and plant species depend on each other and how living things are adapted for survival. I can predict the impact of population growth and natural hazards on biodiversity. SCN 4-01a
Learning intentions and success criteria
Learning intentions: • Explain an animal’s survival requirements and give examples of how they adapt to survive in their environment.
• Give informed suggestions on the impact of human population growth on animal population in the local environment.
• Give examples of natural hazards that may impact on an animal population and how this in turn will have further biodiversity implications.
Success criteria: • I can explain a toad’s survival requirements. • I can give examples of how toads adapt to survive within their environment. • I can give informed suggestions on the impact of human population growth on a toad population in the local environment.
• I can give examples of natural hazards that may impact on the toad population. • I know and understand the term biodiversity. • I can explain how natural hazards can have further biodiversity implications in a local environment.
Lesson plan
Countryside ranger led activities 1. Look for toads/spawn/tadpoles or show a hibernaculum (a specially built soil mound for wintering amphibians) depending on the time of year. Discuss requirements and adaptations for survival: toxicity, camouflage, hibernation, explosive breeding and defence techniques. Time: 30mins.
2. Depending on the time of year, play the camouflage game in either grassland or woodland. Half the group use natural items found in the area to camouflage themselves. They then hide and the other half have to try to find them within an allotted time. Time: 30mins.
3. Consider the impact of a growing human population on toads in the local area. What natural hazards may impact upon toad populations? What can we do to protect them? Time: 15mins.
Suggested follow-up activities
1. Investigate ranavirus and the impact this has/potentially will have on the amphibian population. Suggest at least two ways we can help.
2. Using old maps and statistics plot human population increases in the local area. Map areas of former green space that have been developed. Look at the fragmentation of habitats and map and design new wildlife corridors. A good website for overlaying maps is
www.maps.nls.uk/
3. Investigate what would happen if toads were removed from the local food web. What impact would this have on the other plants and animals? Give three examples of potential impacts. Remember to think about the complete life cycle. Deliver a Powerpoint presentation on the findings.
www.damstodarnley.org
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