Practice Questions

TLS Online TPP Program

#Question id: 4610

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that ________.

#Unit 11. Evolution and Behavior

island forms are descended from mainland forms
common environments are inhabited by the same organisms
island forms and mainland forms have identical gene pools
the island forms and mainland forms are converging

More Questions

TLS Online TPP Program

#Question id: 23199

#Unit 13. Methods in Biology

Metal shadowing- thin film of platinum is coated from a _________ which provides information about the three-dimensional topology of the sample.

TLS Online TPP Program

#Question id: 23200

#Unit 13. Methods in Biology

Scanning electron microscopy (SEM) allows investigators to view the

TLS Online TPP Program

#Question id: 23201

#Unit 13. Methods in Biology

The resolving power of Transmission electron microscopy is derived from _______________

TLS Online TPP Program

#Question id: 23202

#Unit 13. Methods in Biology

The cathode of transmission electron microscope consists of a ____________________

TLS Online TPP Program

#Question id: 23203

#Unit 13. Methods in Biology

The biological materials have little intrinsic capability to ____________________

TLS Online TPP Program

#Question id: 23204

#Unit 13. Methods in Biology

Shadow casting is a technique in electron microscopy visualizing