The outcome of cleavage during embryonic development is the production of a
A. substantially larger embryo.
B. gastrula.
C. blastula.
D. neurula.
E. None of the choices are correct.
Answer: C
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Figure 22.18
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Refer to the above figure for questions.
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Which numbered item in the above figure represents a female gametophyte?
A. 1 B. 2 C. 3 D. 4 E. 5
Bees use which type of communication method to transmit location of a food source?
A. Vocal B. Odors C. Visual D. Tactile E. Pheromones
Which of these is not part of loose connective tissue?
A. adipose cells B. chondroitin C. reticulin D. collagen E. elastin
A defining characteristic of allopatric speciation is
a. the appearance of new species in the midst of old ones b. artificial selection c. geographic isolation d. asexually reproducing populations e. large populations