Based on the position of the continents in Earth’s history, you would expect the organisms of Australia to be more closely related to those of:
1.Europe
2.Asia
3.North America
4.South America
4
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Why is the developmental sequence relatively similar across the animal kingdom?
a. Because most animals reproduce sexually b. Because most animals exhibit bilateral symmetry c. Because most animals have an internal body cavity d. Because most animals are considered coelomates
Which of the following is TRUE of the
immediate impact of Mendel’s publication in 1866 of the basic laws of inheritance?
a. it gave Darwin the insight he needed into the mechanism of variation b. it started a genetic revolution c. it made Mendel one of the most famous scientists of his day d. it did more than of these things (a - c) e. it had no immediate impact
What is the reason that a modern transmission electron microscope (TEM) can resolve biological images to the subnanometer level, as opposed to tens of nanometers achievable for the best super-resolution light microscope?
A) The focal length of the electron microscope is significantly longer. B) Contrast is enhanced by staining with atoms of heavy metal. C) Electron beams have much shorter wavelengths than visible light. D) The electron microscope has a much greater ratio of image size to real size.
Which pathway(s) are used by eukaryotic microorganisms to fix carbon dioxide?
A. Entner-Doudoroff B. Calvin-Benson cycle C. Reductive tricarboxylic pathway D. None of the choices are correct.