Freshwater invertebrates; sampling, analysis and freshwater treatment. Two PPTs and a hand-out to cover: PPT 1: Species ID and the Biotic Index of water quality (Includes 20 colour photo invertebrate ID to create a dichotomous key or use as field ID). PPT 2: Freshwater treatment (15 slides). Hand-out: Freshwater sampling task with methods and analysis.

BTEC Level 2: PPT: Animal adaptations and choice chamber experiment Hand-out: Creating dichotomous keys PPT and Hand-out: Evolution and selective breeding

A 5 Page handout for BTEC Level 2 Biology Investigations: 1. Investigation of the digestive system 2. Investigation of the respiratory and cardiovascular systems 3. Investigation of the renal system. This is a student hand-out providing an activity for each of the above.

BTEC Level 3; Pathogens, Infection and Hand-washing Practical: PPT of 77 slides covering: First, second and third line of defence. Antibodies, antigens and white blood cells. Vaccines. Pathogens cardsort: To sort into bacteria, viruses and fungi. Hand washing practical with Method and Evaluation pointers.

2 PPTs and a 44 page hand-out which cover: Mean Median Mode Standard Deviation Chi Squared T Test With examples and activities for BTEC and similar courses

Species interactions/relationships. Covers definitions of types of symbiotic relationships including competition, mutualism, commensalism and parasitism. Includes a quiz/card sort to cover the four relationships above. Includes 29 PPT slides suitable for BTEC, A Level and higher level Biology courses.

24 Resources for AS Level Biology including: Cell Division Macromolecules Enzymes Transport systems of humans and plants The lymphatic system The heart Gas Exchange Haemoglobin

29 PPT slides covering definitions of symbiotic relationships and a card sort activity, with answers, to cover the topics of: Mutualism Commensalism Parasitism Competition Suitable for BTEC, A Level and Higher Level courses.

Presentations and handout to cover the biomes of the world including: Aquatic, desert, temperate, tropical, tundra, taiga and a summary PPT and handout. Suitable for Biology, Geography and Ecology students.

Biodiversity, biomes and conservation - 25 resources including; Species diversity indices Modes of speciation Biomes Invasive species Climate change Threats to habitats Habitat loss The value of biodiversity

Ecology and conservation presentations including; Abiotic and biotic factors. Species interactions Bioaccumulation Threats to ecosystems Impacts of El Nino climatic events on wildlife. Genetic diversity. Taxonomy