Select your answer:
Topics:
Haematology Human Anatomy SCI CH2-1 Multicellular Organisms: Organisation Breathing ...Respiration Life Processes Microbial Growth & Nutrition Brain/Neuron Anatomy Entomology Major Organs The Cardiovascular System OCR A-level Eye Immunology: T cell Development Advanced Stretching SM2 EnvironmentOther quiz:
Central Nervous System › ViewName the two major parts of the central nervous system.
A. The brain and the skull.
B. The brain and the body.
C. The spinal cord and the brain.
D. The spinal cord and the body.
Ecology & Organisms › View
How much chemical energy is transferred from the producer level to the secondary consumer level in a food chain?
A. 1-10
B. 1-20
C. 1/100
D. 1/1000