Which Animal Below Has a Skeleton That Is a Hydrostat

question 1

Multiple Choice

Which animal below has a skeleton that is a hydrostat?

• A)grasshopper
• B)octopus
• C)bluebird
• D)catfish

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Definitions:

Crust Age

A measure indicating the age of the Earth's crust, which varies based on location, with the oceanic crust generally being younger than the continental crust.

Spreading Center

A tectonic plate boundary where new crust is created as two plates pull away from each other.

Passive Margin

the transition between oceanic and continental lithosphere that is not an active plate margin.

Oceanic Crust

The part of Earth's lithosphere that underlies the ocean basins, composed mainly of basalt and gabbro.