Anything that is (or was) living in the environment is called
Biotic
The movement of individuals in to an area is called
Immigration
The symbiotic relationship that involves one organism benefiting, while the other is harmed is called
Paratism
This type is introduced to a particular ecosystem and is considered a threat
Alien Species
This biome involves hot dry climates, and includes animals such as lizards, camels, and cacti
Desert
Large, terrestrial ecosystems (such as deserts, tundras, and rainforests) that contain a number of small, but related ecosystems are called...
Biomes
What type of population distribution is this? 
Clumped
The symbiotic relationship that involves both organisms benefitting is called
Mutualism
This type Implies introduction but not a threat
Introduced Species
Which biome is often referred to as the "lungs of the Earth" due to its role in oxygen production? It has high rainfall and lots of biodiversity
Tropical Rainforest
In the levels of organization, the first step, which is a single member of a species is called...
Organism
The number of individuals living in an area is called
Population Density
The symbiotic relationship that involves one organism benefiting and theater unaffected is called
Commensalism
The following are all what kind of invasive species impact?
Extinction of local species
Damage and change ecosystems
Killing or crowding out native species
Changing the function of an ecosystem
Environmental
Which biome is characterized by vast areas dominated by grasses and herbaceous plants, with few trees?
Grasslands
The thin portion of earth that supports life is called...
Biosphere
The max capacity - or largest number of individuals that a population can hold is called it's...
Carrying Capacity
Variety of life is also known as
Biodiversity
The following are what kind of invasive species impact?
Costs to controlling the spread of invasive species
Agricultural productivity decreases
Property values
Economical
Which biome is characterized by low temperatures, short growing seasons, and vegetation like mosses, lichens, and low-growing shrubs?
Tundra
Formed by the interactions between all living and nonliving things in a community
Ecosystem
This type of growth happens when there is sufficient food and resources in an environment. It is typically shown by a J shape on a graph.
Exponential Growth
Name two threats to Biodiversity
Options:
Natural Causes
Pollution
Hunting
Climate Change
Agriculture
The following are what kind of invasive species impact?
Disease spread
Food security
Water depletion
Health
Which biome is characterized by vast expanses of grasslands dotted with scattered trees and shrubs, typically found in tropical and subtropical regions?
Savannah