B7 Ecology Flashcards
What is a habitat
Environment in which an organism lives
What is a population
Total organisms of the same species living in the same area
What is a community
Populations of different species living in the same habitat
What is an ecosystem
Bio9tic and abiotic parts of an environment and how they interact with
What’s the difference between biotic and abiotic
Living
Non living
What are the 4 main biotic factors
Food, new predators, competitors, new pathogens
What are the 6 main abiotic factors
Water
Wind intensity
Light intensity
Ph and minerals of soil
Temperature
Carbon and oxygen
What resources to plants and animals compete with
Plants- light, space, water, minerals
Animals- food, water, mates, territory
What is interdependence
Organisms depend on each other
What is a stable community
Populations remain fairly constant and organisms are in balance with each other
What are the 3 types of adaptations
Structural
Functional
Extremophiles
Name each part of the food chain below
Grass
Rabbit
Fox
Bear
-producer
-primary consumer
-secondary consumer
-tertiary consumer
What is the importance of the producer in the food chain
Synthesises complex molecules
Biomass (molecules such as glucose) are passed down the food chain
what are the two ways of sampling organisms
random
transects
how does carbon enter and exit the carbon cycle
enters by photosynthesis
returns back to atmosphere by aerobic respiration
