Hi Flashcards
What is ecology?
The stufy of interactions among organisms. And between organisms and their environment
Energy flow through an ecosystem
The flow of energy through an ecosystem is one of the most important factors that determines the systems capacity to sustain life
What is a food chain?
A series of steps in which organisms transfer energy by eating and being eaten
What is a food web?
A food web will list every animal in the ecosystem
What is a autotroph/producer?
An autotroph will produce its own source of food with the power of sunlight without hunting other species. This is called photosynthesis.
Herbivore
A consumer that eats only plants.
Carnivore
A consumer that eats only animals.
Omnivore
An animal that eats both plants and animals
Decomposer
an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
What is the source of all energy in a an ecosystem?
The sun
The flow of ____through an ecosystem
Energy
primary consumer: first
First level of consumers in a food chain, they eat producers, usually herbivores
Secondary consumer: means second
Second consumers in the food chain eats the primary producer,usually omnivore or carnivore
teritary consumer:means third
Third consumer,eats the secondary consumer, carnivore\carnivore
quaternary consumer:means fourth
Fourth consumer, eats the tertiary consumer, carnivore
Primary consumer example
Cow
secondary consumer example
Snake
Tertiary consumer example
Hawk
Quaternary consumer example
Lion
What is the purpose of a food web?
The purpose of a good web is to show feeding relationships between organisms in an ecosystem
energy pyramid
Pyramid model of energy flow in a community
Tropic level
Level or position organism hold in a food chain or energy pyramid
3rd Trophic Level: Secondary Consumer
The very top
2nd Trophic Level: Primary Consumer
The middle of pyramid
