Which group includes members that are important primary producers in ocean food webs, causes red tides that kill many fish, and may even be carnivorous?

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#Question id: 18078

#Unit 9. Diversity of Life Forms

Which of the following can be found in gymnosperms? 

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#Question id: 2512

#Unit 2. Cellular Organization

Which of the following is not an example of a microtubule-organizing center (MTOC)?

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#Question id: 7144

#Unit 5. Developmental Biology

Heart development begins as

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#Question id: 10588

#Unit 10. Ecological Principles

Following is survival ship curve of species

Which of the following is correct?

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#Question id: 2440

#Unit 2. Cellular Organization

Microtubule assembly in vitro requires

a. ATP.                                                           

b. a threshold (critical) concentration of tubulin.

c. warming the solution to 37°C.                   

d. microtubule-associated proteins.         

e. GTP.