Which is a food chain 
Wolves eat rabbits. What type of symbiotic relationship is this?
Predator prey.
What is the basic unit of life?
Cells
What is nitrogen fixation?
The process where some bacteria remove nitrate from the soil by converting it to nitrogen gas.
What is a pioneer species?
The first species in primary succesion.
What is the definition of a food chain?
A hierarchical series of organisms each dependent on the next as a source of food.
Oxpeckers land on Rhinos and eat ticks that live on their skin. The birds get food and the Rhino gets pest controlled. What kind of symbiotic relationships?
Mutualism
What are the levels of the organization?
cells -> tissues -> organs -> organs -> organisms
The process in which nitrogen gas is converted into ammonium ions is.
Ammonification
What is primary succession?
The first stage in ecological succession
What is a food web?
A bunch of connected food chains.
Remoras have a disk on their head to attach to sharks and whales. The sharks give the Remoras a free ride through the ocean. What type of symbiotic relationship is this?
Commensalism.
If there is 1000 energy at the bottom of the pyramid how much energy is at the top?
100
When plants and animals die carbon is released from their tissues through
Decomposition
what is the difference between secondary succesion and primary succession?
Secondary succession has soil.
What is missing?
Decomposer
Fleas and ticks live on dogs and cats. They live of the blood of the animals. What type of symbiotic relationship is this?
Parasitism.
What is a biomass pyramid?
A pyramid that shows how much biomass of a certain species is in an area.
How does carbon cycle through the environment?
Photosynthesis
Burning fossil fuels
Decomposition
Respiration
What can turn a Climax Community into secondary succession?
Wildfire Flood Tornado Hurricane etc.
What is missing?
Sun and Decomposer
A rabbit has Hepatic Coccidiosis which causes anorexia. A wolf eats the rabbit because it is weakened. What type of symbiotic relationship is this?
Parasitism and Predator Prey.
There are fewer producers than consumers.
The step in the nitrogen cycle where bacteria convert ammonium (NH4) to nitrites (NO2) is
Nitrification
What can turn a Climax Community into primary succession?
Volcano, Glacier.