Most invertebrates have:a
isolecithal eggs and meroblastic cleavage.
b. telolecithal eggs and meroblastic cleavage.
c. isolecithal eggs and holoblastic cleavage.
d. telolecithal eggs and holoblastic cleavage.
e. isolecithal eggs and radial cleavage.
c
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Why are we concerned at all with monitoring emerging/reemerging diseases?
A. These represent growing threats to human health that will require new scientific research and resources to effectively combat. B. Because globalization (greater trade and travel between countries) leads to more chances for spread of illnesses into new areas and populations. Monitoring these illnesses will help us to protect people. C. Because the speed of travel has increased greatly. With increased speed of travel, it is far more likely that a serious pathogenic threat from one area of the world can spread rapidly across the globe in a very fast manner. We need to monitor the occurrence of these illnesses to try to protect populations. D. All of the above.
Around 580 million years ago, the first simple animals are seen in the fossil record. These first fossilized animals
a. had a hard protective shell protecting their bodies. b. were photosynthetic. c. were predominantly trilobites. d. were all land animals. e. were probably not related to the modern jellyfish and worms they resembled.
Which gland is the remnant of the "third eye"?
a. pineal b. pituitary c. thyroid d. parathyroid e. thymus
Which of the following parts of the Golgi complex receives materials from the ER?
A. Cisternal edges B. Cis face C. Trans face D. None of the choices are correct.