The entrance into the cavity formed during gastrulation in sea stars and frogs is called the

(a) archenteron.
(b) blastocoel.
(c) blastocyst.
(d) blastopore.


(a) archenteron.

Biology & Microbiology

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In this scenario, the person’s eyebrow would be the __________

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The sporophyte plant 

A. is haploid. B. is diploid. C. produces gametes. D. None of the above is correct.

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An individual with a Body Mass Index (BMI) of 30.0 is considered:

a. Obese b. Just right c. Underweight d. Normal

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As discussed in the previous question, much effort has been devoted to classification of natural communities, and this effort continues today. Which American ecologist would have found the "pigeonholing" of natural communities into discrete classes most satisfying from a philosophical perspective?

A) R. H. Whittaker B) H. A. Gleason C) F. E. Clements D) J. Braun-Blanquet

Biology & Microbiology