Zusammenfassung der Ressource
Biology KS3 Y7
- Keys
- Branch Key
- Dichotomous Key
- Binocular Microscope
- The seven main parts;
- Stage
- Spine
- Focus knob
- Objective lens (X2)
- Eye-piece lens(X10)
- Side clips
- Height Adjusting knob
- Organs and purposes
- Heart, pumps blood around the body , cardiovascular system
- Stomach, Digests food for the body, Digestive system
- Large intenstine, converts food into faeces, Respiratory system
- Small intestine, absorbs nutrients into blood, digestive system
- Kidneys, to make urine from waste products, Urinary systems
- Pancreas, stores urine, urinary systems
- Liver, to get rid of toxins, Digestive systems
- Spleen, fights infections and cleans blood, lymphatic systems
- Skin, protective layer of body, integumentary systems
- Skulls
- Carnivores
- Eye sockets face forward, animal can judge distances
- Inscisiors are sharp
- Powerful canine teeth
- Cheek teeth adapted for shearing carrassials
- Tight Jaw articulation
- Strong cheek bone for muscle attachment.
- Herbivores
- Eye sockets at sides
- Inscisiors having flat cutting edge
- Canine teeth absent leaving a gap
- Large molars wit canine teeth
- Loose articulatio for sideway movement of the jaw