The study of the geological distribution of living organisms
what is biogeography
a connection between two variables where one variable causes a change in the other
what is a causal relationship
The Earth is how old?
what is at least 4.5 billion years old
coral reefs protect shorelines from the impacts of
what are erosion or mechanical weathering
Cyanobacteria built ancient coral reef structures called
what are stromolites
The interaction between two species or processes influence each other.
What is coevolution
a variable that is not measured in a study but can affect the relationship between two variable
what is a lurker variable
Early materials that form planets is called
what are planetesimals
Lichen, where the algae and fungi exist together is an example of
what is a symbiotic relationship
this process convers energy from sunlight into energy a plant can use for food
what is photosythesis
The process of decreasing the ocean's pH by absorbing carbon dioxide.
what is ocean acidification.
A possible relationship between two events
what is a correlational relationship
clouds of dust and gasses that exist in the spaces between stars
what are nebula
Increasing cloud cover is an example of
what is negative feedback as it decreases sunlight
carrying capacity is
what is the number or organisms an ecosystem can support
Changes in the species present in a location over time
what is succession
A correlational relationship is the same as a causal relationship
what is false
These bands were formed by free oxygen reacting with minerals showing that Oxygen was now present in the atmosphere
what are iron band formations
Growing artic sea ice is an example of
what is positive feedback
something that causes a reaction in a living organism is called
what is a stimulus
a process that breaks down rocks into smaller pieces without changing their chemical composition
what is mechanical weathering
Lurker variables should be identified in good research
what is true
The largest percentage in our atmosphere is this gas
what is nitrogen
Most of Earth's history, including the development of single celled organisms, happened during this time period
what is the Precambrium Era (4.6 bya- 540mya)
what is aerobic respiration