Turbinates were found in therapsids, extinct reptiles thought to be ancestors of mammals. What could the researchers conclude from this observation?
What will be an ideal response?
Endothermy arose before fur.
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________ is a process that can completely catabolize an organic energy source to CO2 using the glycolytic pathways and TCA cycle with O2 as the terminal electron acceptor for an electron transport chain.
Fill in the blank(s) with the appropriate word(s).
In animals with a brain, the two major divisions of the nervous system are the
a. autonomic and peripheral systems. b. central and peripheral nervous systems. c. brain and spinal cord. d. nerves from the brain and the peripheral systems. e. cranial and spinal nerves.
Describe how scientists use fossil finds and radiometric dating to piece together evolutionary history. Why is this useful when scientists discover a missing link fossil?
What will be an ideal response?
The most widely used light microscope transmits light through a live specimen to produce an image where the specimen is darker than its surroundings. What type of microscope is this?
A) bright-field B) dark-field C) differential interference D) electron