The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

TLS Online TPP Program

#Question id: 11638

#XL - S Microbiology

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?

TLS Online TPP Program

#Question id: 11639

#XL - S Microbiology

You are given an unknown organism to identify. It is unicellular and heterotrophic. It is motile, using many short extensions of the cytoplasm, each featuring the 9+2

filament pattern. It has well-developed organelles and three nuclei, one large and two small. This organism is most likely to be a member of which group?

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#Question id: 11640

#XL - S Microbiology

Which of the following is not characteristic of ciliates?

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#Question id: 11643

#XL - T Zoology

Rapid changes to skin color in many vertebrates is under the control of ________.

TLS Online TPP Program

#Question id: 11644

#XL - T Zoology

Seven days after ovulation, pituitary secretion of luteinizing hormone (LH) decreases rapidly. What is the cause of this decrease in secretion?

TLS Online TPP Program

#Question id: 11645

#XL - T Zoology

Which of the following is inconsistent with the diagnosis of Graves’ disease?