Videos and Notes which teach you everything you need to know
Flash Mode: Quick Videos for cramming
Revision Mode: Self Paced Videos with Full Notes
Abiotic and Biotic Factors
ABIOTIC FACTORS
ABIOTIC FACTORS are the NON-LIVING elements of an ecosystem that can influence the living organisms within it.
These factors include:
- MOISTURE LEVEL: Affects plant hydration and animal water sources.
- LIGHT INTENSITY: Influences photosynthesis in plants.
- TEMPERATURE: Impacts metabolic rates in organisms.
- CARBON DIOXIDE LEVEL: Essential for plant photosynthesis.
- WIND INTENSITY AND DIRECTION: Can spread seeds or pollen and affect animal movement.
- OXYGEN LEVEL (for aquatic animals): Vital for aquatic organisms' respiration.
- SOIL PH AND MINERAL CONTENT: Influences plant nutrient uptake and growth.
VARIABILITY IN ABIOTIC FACTORS
- Changes in abiotic factors, such as a shift in temperature, can lead to a change in the size and distribution of populations in an ecosystem.
BIOTIC FACTORS
BIOTIC FACTORS are the living parts of an ecosystem and include:
- NEW PREDATORS: Their arrival can alter the survival and reproduction rates of prey species.
- COMPETITION: Occurs when multiple species need the same limited resources. One species outcompetes another so the numbers are no longer sufficient to breed.
- NEW PATHOGENS: Can cause diseases that reduce population sizes.
- AVAILABILITY OF FOOD: Directly affects the growth and reproductive success of organisms.
ECOSYSTEM INTERACTIONS AND CHANGES
- An ecosystem's health and stability often depend on a delicate balance between its abiotic and biotic components.
- The introduction of new biotic factors, like a new predator or pathogen, can have cascading effects due to the interdependence of all organisms within the community.
Abiotic and Biotic Factors
ABIOTIC FACTORS
ABIOTIC FACTORS are the NON-LIVING elements of an ecosystem that can influence the living organisms within it.
These factors include:
- MOISTURE LEVEL: Affects plant hydration and animal water sources.
- LIGHT INTENSITY: Influences photosynthesis in plants.
- TEMPERATURE: Impacts metabolic rates in organisms.
- CARBON DIOXIDE LEVEL: Essential for plant photosynthesis.
- WIND INTENSITY AND DIRECTION: Can spread seeds or pollen and affect animal movement.
- OXYGEN LEVEL (for aquatic animals): Vital for aquatic organisms' respiration.
- SOIL PH AND MINERAL CONTENT: Influences plant nutrient uptake and growth.
VARIABILITY IN ABIOTIC FACTORS
- Changes in abiotic factors, such as a shift in temperature, can lead to a change in the size and distribution of populations in an ecosystem.
BIOTIC FACTORS
BIOTIC FACTORS are the living parts of an ecosystem and include:
- NEW PREDATORS: Their arrival can alter the survival and reproduction rates of prey species.
- COMPETITION: Occurs when multiple species need the same limited resources. One species outcompetes another so the numbers are no longer sufficient to breed.
- NEW PATHOGENS: Can cause diseases that reduce population sizes.
- AVAILABILITY OF FOOD: Directly affects the growth and reproductive success of organisms.
ECOSYSTEM INTERACTIONS AND CHANGES
- An ecosystem's health and stability often depend on a delicate balance between its abiotic and biotic components.
- The introduction of new biotic factors, like a new predator or pathogen, can have cascading effects due to the interdependence of all organisms within the community.
