Levels of Org
A single living thing that obtains food, water, and
shelter to live, grow, and reproduce in its
habitat(environment).
What is an organism?
An organism that makes or produces its own food
What is an autotroph?
Name the three major types of relationships organisms may have with one another?
Competition, Predation, and Symbiosis
Species that have been introduced to an area accidentally or on purpose and have outcompeted native species due to a lack of natural predators
What is invasive species?
The collection of precipitation in large bodies of water such as lakes, rivers, or oceans
What is accumulation?
All the populations in an ecosystem
What is the Sun?
A relationship between organisms of different species in which at least one benefits
What is symbiosis?
What are the two types of growth that populations may encounter?
What is exponential growth and logistic growth?
Carbon is absorbed by plants, products are glucose and water
What is photosynthesis?
Includes all the living (biotic) & nonliving
(abiotic) features of an environment.
A consumer that feeds on dead material and brings the nutrients back into the soil
What is a decomposer?
A relationship where one organism benefits and one is harmed (i.e., a tick and a deer)
What is parasitism?
The line that stops populations from experiencing exponential growth indefinitely due to limiting factors
What is the carrying capacity?
Two types of nitrogen fixation
What is lightning fixation, industrial fixation, and/or biological fixation?
Name one example of a biome.
What is a tundra/desert/rainforest/etc?
What percent of energy is transferred as you move up the trophic levels?
10%
The cause of competition
What is multiple species have the same requirements/ the resource is limited
What equation can help us to find the growth rate of a population?
(birth rate + immigration rate)- (death rate + emigration rate)
Phosphorus is released from rocks over time
What is weathering?
Every place on earth that can support life.
What is the biosphere?
If the producer starts with 8000 kcal, how much energy will the secondary consumer obtain?
One organism benefits and the other has no affect
What is commensalism?
Over the course of 2025, a population of gopher tortoises has experienced 10 deaths and 8 births. Is the population growing or decreasing?
What is decreasing?
Bacteria convert ammonia into usable nitrates
What is nitrification?