The __________ is the theory that the solar system originated as a nebula.
What is the nebular theory?
100
Microscopic or small organisms in the water that drift on the current
What is plankton?
100
This is a boundary where plates move in opposite directions
What is divergent?
100
The idea that life originates from nonliving matter is referred to as __________________
What is spontaneous generation or abiogenesis?
200
This zone is the top layer of water that sunlight penetrates
What is the epipelagic zone?
200
Earth and the other planets formed through the process of _______________.
What is accretion?
200
These are the organisms that swim in the ocean
What are nekton?
200
Most volcanic activity and earthquakes occur at this geological features
What are plate boundaries?
200
The pelagic zone is divided into the neritic and ______ zones.
What is oceanic?
300
This is the ocean floor divided into zones by depth
What is the benthic zone?
300
The expansion of all matter and energy from a concentrated single point is the _____________ theory.
What is The Big Bang?
300
These are organisms that live on or in the bottom of the ocean.
What are the benthos?
300
At a ________________ boundary, tectonic plates push together.
What is a convergent boundary?
300
These are organisms that are partially or completely buried in the seafloor
What are infauna?
400
This is the area of the benthic zone that is between the high-tide mark and the low-tide mark
What is the littoral zone?
400
The ____________ of the Earth formed after the crust was solidified and gases, such as water vapor, carbon dioxide and nitrogen, were released by volcanic activity.
What is the atmosphere?
400
These are animals, such as crabs, that live on the sea floor
What is epifauna?
400
At a _________________ boundary, two plates slide past each other.
What is transform?
400
These organisms can create organic energy compounds (food) from inorganic compounds and an external energy source
What are autotrophs?
500
This is the zone that water splashes but it does not remain submerged
What is the supralittoral zone?
500
This is the movement of heavier material toward the core and the movement of lighter material toward the surface in the formation of the Earth.
What is density stratification?
500
These are plants, such as seagrasses, that live on the sea floor
What are epiflora?
500
The theory of plate tectonics unites the theories of continental drift and ________________.
What is sea-floor spreading?
500
This is the theory that a planet sized body struck Earth and sent out material that formed the moon