Food web basics
meant to show all of the biotic and abiotic factors interact
Producers
absorb energy from the sun
What is the issue with poisoning rats
It travels up the food web
Natural Selection
The process whereby organisms better adapted to their environment tend to survive
Niche is
the role an organism plays in a community
Biotic
Living factors
Primary consumers
Eat the producers
What happens when beavers are removed from an ecosystem completely
the dams burst and the ecosystem changes
Evolution
change in the gene pool of a population from generation to generation
Keystone species is
A species that OTHER species in an ecosystem largely depend on
Abiotic
non-living factors
Secondary consumers
eat the primary consumers
What animal is the keystone species of the Serengeti?
Wildebeest
Adaptation
the process of change by which an organism of species becomes better suited to its environment
What is energy?
What is matter?
The ability to work - move - change
The physical space something takes up
Decomposers
consume anything dead / decaying no matter the tropic level
Tertiary consumers
eat primary / secondary consumers
Why is an ecosystem different than a habitat
Ecosystem - All of the living organisms in an area together with their physical environment
Habitat - Where specific living organisms live in a physical environment
Variation
difference found between members of the same species
Light, temperature, and water are examples of environmental are....
Give me an example of a full food chain
Answers will vary
Apex predators
the top of the food chain
Name the 3 types of energy the sun produces
UV
Visible
Infrared
Artificial selection
intentional reproduction of individuals in a population that have desirable traits
Pick a type of energy and explain it in depth
Answers will vary