Vocab
What word means a non-living thing in an ecosystem?
Abiotic
A group of organisms of the same species living in the same area
Grass -> Rabbits -> Wolves
Grass
What is the word meaning any close interaction between two species?
Symbiosis
A zork is an herbivore. What do zorks eat?
Plants
What word means all the living things in an ecosystem?
Community
Number of organisms divided by area
What trophic level are plants?
Producer
What type of symbiosis harms one organism and benefits the other?
Parasitism
There are 20 individuals in 2 square meters. What is the population density?
10 organisms/m2
What word means the study of habitats and the interactions between living things and their surroundings?
Ecology
If a population has a higher birth rate than death rate, and equal amounts of immigration and emigration, what is happening to it?
It is growing.
When a predator decreases, what will happen to their prey?
Increase
If a population of predators increases, what will happen to the population of the prey?
Decrease
When organisms are evenly spaced, what type of population dispersion do they have?
Uniform
What word means an organism that can make its own food?
Autotroph
What is the difference between logistic and exponential growth?
Logistic growth has a carrying capacity
What trophic level is the prey of 3 consumers?
2 consumers
What type of symbiosis is when both organism benefit?
Mutualism
If a population grows too much and too quickly, it will shoot past its carrying capacity and then ______.
Crash
What word means a type of ecosystem that is characterized by a specific climate?
Biome
What type of limiting factor is a storm?
Density-independent
Trees -> Elk -> Wolves
Elk would increase, killing the trees
What type of interaction harms both organisms?
Competition