ORGANISMS
What organism has to begin a food chain/ food web?
A producer
What two things do all food chains and web show?
The feeding relationship and energy flow among organisms
True / False
A food web shows multiply feeding relationships in an environment.
True
What two things could throw off the balance in a food chain or web?
Human activity or natural disasters.
What is a population?
A group of organisms of the same kind, living in the same place.
The second organism in a food chain could be either of which two organisms?
A carnivore/ an omnivore
True/False
The organisms in a food web are organised from left to right.
False
In the food chain below, what would happen to the population of the bird if the cats in the community became extinct?
berry bush → small bird → cat
The bird population would increase
Consumers that kill others for food are called______
Predators
What do the arrows in a food chain show?
The energy flow
Can organisms within a food web be found in many different areas across the globe?
No. They are all found in one environment
Animals depend on plants for oxygen and food (energy) but how are plans dependent on animals?
Plants depend on animals for CO2 and nutrients (through the form of manure)
Which consumer would you least likely find at the end of a long food chain?
A herbivore
True / False
A food chain shows multiply feeding relationships in an environment.
False
When organising predators in food web, which organism hold the top or final position?
Apex predators
How are consumers e.g. a lion dependent on the sun?
Producers use the sun's energy to make food, consumers such as herbivores feed on the producers, then carnivorous consumers such the lion feed on those herbivores. Without the sun first giving energy to the producers, there would be no food for consumers such as lions
The insectivorous plant called the Venus Fly Trap is an example of what type of consumer?
A carnivore
What type of organism may appear last in a food chain even though it is not at the top of the chain?
A scavenger
How many producers should be in a food web?
As many as are found in the community.
When is there balance within a community?
When there is the right amount of food and space for all the animals that live there.