1 Flashcards
(22 cards)
What is ecology the study of
How organisms interact with each other and the environment
What is environmental science the study of
How humans impact their environment
What are ecosystems made up of
Biotic and abiotic factors
What are biotic factors
The living parts of the ecosystem
What are abiotic factors
Non-Living parts of an ecosystem
In order for an organism to survive in an ecosystem the ecosystem must provide the proper habitat for that organism. a proper habitat provides what three things
Food water and space/shelter
What are factors that increase a population
Birthright, immigration, abundance of resources, low population density
What are the factors that decrease a population
Death Rate, emigration, lack of resources, high population density
Is carrying capacity the largest or smallest population
Largest
Every ecosystem only has so much food water and space available these are called what
Limiting factors
Sometimes organisms Thrive in environments that are not their what
Native habitats
Counting each member of a population
Direct observation
Studying signs of an organism but not physically seeing them
Indirect observation
Counting members of the population in an area and extrapolating the data
Sampling
Trapping an organism, studying it, marking it, releasing it, possibly tracking it through GPs and then trying to capture it again to follow up study
Mark and recapture
2 Behaviors that make an organism successful in in environment
Physical and inherited
The struggle between organisms in the environment as they fight for the same limited resources such as food water and space
Competition
Involves a predator and prey both have adaptions that help make them successful in their environment
Predation
What are the two types of successions in a series
Primary and secondary
Two different species in both benefit from each other
Mutualism
Two different species one benefits and the other is unaffected
Commensalism
Two different species and the one that benefits is the parasite and the other species is harmed from the parasite
Parasitism
