Ecosystems And The Freshwater Pond Flashcards
What is an ecosystem?
A community of plants and animals that interact with each other and their physical environment
Define a producer.
An organism or plant that is able to absorb energy from the sun through photosynthesis
What is an organism, such as bacterium or fungus, that breaks down dead tissue?
Decomposer
What is the difference between abiotic and biotic?
Abiotic are non-living and biotic are
In a freshwater food web, what is algae and example of?
Producer
In a freshwater food web, what is a mayfly an example of?
Primary consumer (herbivore)
In a freshwater food web, what is a great diving beetle an example of?
Secondary consumer (carnivore)
In a fresh water food web, what is a heron an example of?
Ultimate predator
In a food chain, give 2 reasons why biomass decreases.
Not all of the animal/plant is eaten
Animals use energy for hunting (kinetic energy)
What is nutrient cycling?
The process when decomposers break down organic matter into nutrients and return them to the soil, which are then reused/recycled
What are global ecosystems (biomes)?
Global ecosystems (biomes) are large scale ecosystems
Where are the tropical rainforests located?
They are found either side of the equator between the tropics of cancer and Capricorn
Where are the majority of hot deserts found?
30 degrees north and south of the equator
What is the largest desert called in Northern Africa?
Sahara desert
