Ecosystems Flashcards
What is an ecosystem?
a natural environment and includes plants and animals that live and interact within that environment.
What is Biotic?
Living elements of an ecosystem, such as plants and animals.
What is Abiotic
Non-living elements of an ecosystem, such as climate, temperature, water, and soil type
What do freshwater pond ecosystem consists of?
Pond bottom
Mid water
Pond surface
Pond margin
Above the pond surface
What can ecosystems be altered by?
Natural factors and Human management
What Changes to the ecosystem caused by natural factors?
Drought, flood, fire and disease
What Changes to the ecosystem caused by human management?
introducing more fish, altering the drainage of the land, changing the pH of the water and altering the nutrient level of the water.
What is the link between consumers and decomposers
Decomposers break down dead organisms and consumers absorb the nutrients from the dead organisms
