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Mentoring Program Curriculum (1)
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Biology
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Topics
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3. Organisms
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Topics
Mentoring Program Curriculum (1)
/
Subjects
/
Biology
/
Topics
/
3. Organisms
/
Topics
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Pricing
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Understanding points
Species
A group of organisms that can interbreed to produce
fertile
offspring
•
Binomial naming system
:
Genus species
(e.g.
Homo sapiens
)
•
*(AHL)
Must have the same chromosome number or else problems in meiosis occur
A3.1 Diversity of organisms
Understanding points
Taxonomy
•
Taxa
: groups used to classify organisms
•
Hierarchy of taxa: Domains – Kingdom – Phylum – Class – Order – Family – Genus – Species
•
Every organism that has evolved from a common ancestor is included in the same taxon
A3.2 Classification and cladistics
Understanding points
Ventilation, cell respiration, gas exchange
Ventilation
Exchange of air between the atmosphere and the lungs
Achieved by the physical act of breathing
B3.1 Gas exchange
Understanding points
Blood components
•
Glucose, Dissolved gas, Urea, Hormones, Antibodies, Proteins
Blood vessels
B3.2 Transport
Understanding points
Muscle structure
B3.3 Muscle and motility
Understanding points
Levels of organisation
C3.1 Integration of body systems
Understanding points
Immunity
The ability of an organism to resist infection
•
Pathogens
: organisms that cause infectious disease
C3.2 Defence against disease
Understanding points
Modes of reproduction
Sexual reproduction in flowering plants
D3.1 Reproduction
Understanding points
Inheritance
•
Most traits follow a classical dominant/recessive pattern of inheritance:
D3.2.1 Gene, chromosome, and alleles
D3.2 Inheritance
Understanding points
Homeostasis
Keeping a constant internal environment
•
Positive Feedback
- accelerates the concentration gap between the original and new level
•
Negative Feedback
- maintains the concentration of metabolites
D3.3 Homeostasis
