A researcher discovers a mysterious unknown multicellular eukaryotic organism. She would be confident that it is an animal if she observed that it __________.
Fill in the blank(s) with the appropriate word(s).
Ans: has muscles and nerve cells
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Transferring Euglena into a dark environment results in the loss of photosynthetic pigment. What conclusion does this support?
A. Euglenoids are obligate photoautotrophs. B. Light triggers heterotrophy. C. Euglenoids are closely related to plants. D. Euglenoids are neither plant-like or animal-like protists. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about Euglena? How does it relate to the question? · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Allele frequencies are always expressed as numbers between
1.2 and 4. 2.1 and 2. 3.3 and 5. 4.1 and 10. 5.0 and 1.
Molecular data shows that land plants and charophytes
A. are in the same clade and form a monophyletic group. B. are in different clades but form a monophyletic group. C. do not share common ancestry. D. are in different clades and form a polyphyletic group. E. are in the same clade but form a polyphyletic group.
DNA ligase links two ____ DNA fragments by ____ bonds
a. complementary; hydrogen b. circular; covalent c. palindromic; covalent d. linear; covalent e. linear; hydrogen