Complete the following analogy. blood cell: bacteria: a. eukaryotic cells ,prokaryotic cells b. prokaryotic cells, eukaryotic cells c. rod cell, oval cell d. none of the above

The analogy is as follows blood cell: Eukaryotic cell, bacteria: prokaryotic cell

Option A

Explanation:

The eukaryotic cells are cells that have a well-defined membrane bound organelles and well defined ''nucleus'', a prokaryotic cell does not have any of these characteristics.

Moreover a prokaryotic cell mostly is present in microorganisms whereas a eukaryotic cell is mostly present in macro and multicellular organisms. But there are exceptions to it which contain a single celled ''eukaryote''. Blood cell is a eukaryotic cell whereas a bacteria is a single celled ''prokaryote''.

c. earths continental crust is thicker than its lithosphere.

because, the lithosphere is the outermost layer of the earth/ 100 km thick and is defined by its machanical properties.the lithosphere contains oceanic and continental crust that varies in age and thickness across locations and geologic time. the lithosphere is the coolest layer of the earth in terms of temperature. the term lithosphere should not be confused with the use of "geosphere" which is used to indicate all of earth systems, including the atmosphere, hydrosphere   and biosphere. the surface of the earth can be divided into the continental crust and the oceanic crust.   the continental crust is made mostly of granite while the oceanic crust is made of basalt. the average thickness of the continental crust is 25 miles and the average thickness of the oceanic crust is 5 miles.   three types of rock, igneous, sedimentary, and metamorphic, make up the surface of the earth. that's why 3 option is preferable.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.