BIOL431 Q1

T/F? Contemporary tools in the study of marine biology include the use of satellites in space (known as remote sensing) that allow researchers to study the deep ocean.

False

Which of the following is true about lithospheric plates?

Float on the upper mantle

Match terms with their correct meaning: 1. As oceanic plates pull apart great gaps or depressions can form, which are more specifically known as these. 2. After seeping down to the Earth's mantle, heated seawater is forced through the crust as these. 3. The leading edge of a continental margin. 4. These are formed when material rising from the Earth's mantle lifts the oceanic crust. 5. The edge of the continent where and meets water 6. The trailing edge of a continental margin.

1. Central Rift Valleys 2. Hydrothermal Vents 3. Active Margin 4. Mid-Ocean Ridge 5. Continental Shelf 6. Passive Margin

The world's smallest and shallowest ocean is the

Arctic Ocean

Lithogenous sediments are those that come from

Erosion of land

Which of the following is not true of oceanic crust?

It consists mostly of granite

Select the statements that are TRUE about a scientific hypothesis

It may be tested by performing experiments It may be tested by natural observations It is never proven to be absolutely true It is accepted if supported by available evidence

The semisolid layer of the Earth found below the crust and outside of the core is called the

Mantle

Select the statements that are TRUE about the importance or purpose of observation for the scientific method.

Observation allows scientists to describe the natural world Observation promotes further discovery by generating new scientific questions Observation can lead to the discovery of new species or ecosystems

A technological development that was a direct development of World War II is

Sonar

The process by which a lithospheric plate descends into the mantle is called

Subduction

The modern science of marine biology can trace its beginnings to

The Challenger Expedition

Which of the following is not true of mid-ocean ridges?

The sediment covering gets thinner as one moves away from them toward the continents

A control can be best defined as

a variable that is kept constant in an experiment