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Biology Form 5 Science
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Biology Form 5 Science
Chapter 6: ECOLOGY
THE CARBON CYCLE
Carbon exist as C0
2
in nature. Green plant absorb C0
2
from the atmosphere to form carbohydrate
Animal obtain their carbon by fading in green plant
Carbon can be released in the form of C0
2
to the atmosphere when fossil fuel are born
When plant and animal die sapropythic bacteria and fungi cause the decay of their dead body releasing C0
2
to the atmosphere
During volcanic erosion a small amount of C0
2
is released to the atmosphere
par
Claude Foumtum
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Biology Form 5 Science
Chapter 1 : HERIDITY AND GENETICS
Introduction
SOME TERMS USED IN GENETICS
PIONEER WORK OF MENDEL
SEX DETERMINATION IN MAN
SEX LINKAGE
MUTATION
Chapter 2 : CELL DIVISION
Introduction
DEFINITION OF SOME TERMS
TYPES OF CELL DIVISION
IMPORTANCE OF MITOSIS
Chapter 3: REPRODUCTION
Introduction
TYPES OF REPRODUCTION
POLLINATION
FERTILISATION AND SEED FORMATION
SEXUAL REPRODUCTION IN ANIMALS
MALE REPRODUCTIVE SYSTEM
FEMALE REPRODUCTIVE ORGAN
SOME HORMONES CONCERNED WITH THE MENSTRUAL CYCLE
Chapter 4: MOVEMENT AND SUPPPORT IN ANIMALS
Introduction
TYPES OF SKELETONS
DIVISIONS OF THE HUMAN SKELETON
COORDINATION AND CONTROL IN PLANTS AND ANIMAL
THE ENDOCRINE GLAND
Chapter 5 : NERVOUS COORDINATION
Introduction
Sensory Neuron
MOTOR NEUURONE
SYNAPSE
REFEX ARC AND REFLEX ACTION
THE EYES
THE STRUCTURE OF THE MAMMALIAN BRAIN
Chapter 6: ECOLOGY
Introduction
Basic ecological Concept
THE ABIOTIC OR THE PHYSICAL ENVIRONMENT
THE CARBON CYCLE
NITROGEN CYCLE
POLLUTION