Which of the following is not common to all chordates during some phase of life?
1.a vertebrate endoskeleton
2.a notochord
3.a tail
4.a pharynx with gill slits
1
Biology & Microbiology
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Which groups of archaea are adapted to living in highly salty environments? a. Extreme thermophiles b. All of these choices
c. Methanogens d. None of these choices. e. Extreme halophiles
Biology & Microbiology
The most important function of the globin (protein) portion of a hemoglobin molecule is to
a. directly bind oxygen. b. promote binding of oxygen to the heme group. c. allow release of oxygen from the heme group. d. facilitate the reaction of CO2 and H2O. e. cause constriction of the capillaries.
Biology & Microbiology
In 1 mL of blood, there are 1.5 million white blood cells
a. true b. false
Biology & Microbiology
A ________ is an example of a cnidarian.
What will be an ideal response?
Biology & Microbiology