Sunlight, food, air, water, shelter
What are survival needs?
What is the Sun?
When two organisms have a symbiotic relationship and both benefit.
What is mutualism?
All energy in an ecosystem flows through this.
What is a food chain or food web?
something that produces food for itself
What is a producer?
All living organisms in an ecosystem (i.e., plants and animals)
What are biotic factors?
All the populations living in one place
What is Community?
When one organism feeds off of or lives inside a host organism and benefits while the host is harmed.
What is a parasite or parasitism?
The model you make to show energy loss in a food chain
What is an energy pyramid?
bacteria, fungi, worms, mushrooms
What are TWO examples of decomposers?
All the members of one particular species in a given area
What is population?
Three types of organisms in an ecosystem.
What are producers, consumers, and decomposers?
When an organism tries to get what it needs to survive, but other organisms need and try to get the same things
What is competition?
a system of overlapping food chains
What is a food web?
any animal that feeds mostly on animals
What is a carnivore?
Network of interactions between biotic and abiotic factors in an area.
What is an ecosystem?
A specie that belongs to a specific ecosystem__________.
What is a native species?
When prey populations increase, predator populations will experience population ...
What is increase?
the flow of energy from a producer to one or more consumers. (ie: linked together by their feeding relationships)
What is a food chain?
any animal that feeds mainly on plants; plant-eater
What is a herbivore?
Many of the things that the organisms need to survive, such as as sunlight, air, shelter, and water
What is an abiotic factor?
What is a warm temperatures & moist environment?
Complete this food chain:
Grass - grasshopper - frog - _______ - hawk
What is a snake?
Removing the snakes from this ecosystem will affect the grasshopper population this way.
What is decrease?
Animal that eats both plants and animals
What is an omnivore?
A Living thing
What is an organism?
A new species introduced on purpose to deal with a pest or accidently when non-native pets are released which then over-populates an ecosystem and damages the local food webs.
What is an invasive species?
An ox bird waits for and consumes insects chased out of the grass as cattle move through a field. The cattle are not affected and the bird benefits.
What is commensalism?
Level D organisms in the trophic pyramid.
What is a tertiary consumer?
These special organisms eat only dead plants and animals.
What are scavengers or detrivores?