Reptiles are not able to eat as frequently as mammals and birds can eat. This is due to a trait that mammals and birds share but that reptiles do not have. What is this trait?
A) airfoils
B) endothermy
C) amniotic egg
D) teeth
Answer: B
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The type of tissue that makes up the sweat glands, salivary glands, and endocrine glands is ________
Fill in the blank(s) with correct word
You encounter an insect with small eyes, long sensory antennae, and a long mouthpart shaped like a sword. What can you conclude about the environment in which it lives?
A) The environment is dark and has many plants. B) The environment is wet and has many other insects. C) The environment is hot and has many primates. D) The environment is cool and has many reptiles.
Which of the following viral types enter animal cells via fusion with the animal cell membrane?
A. non enveloped viruses B. naked viruses C. enveloped viruses D. All of these choices are correct.
During gastrulation in frogs, a rod of mesoderm under the dorsal surface forms the
A) notochord. B) ectoderm. C) endoderm. D) archenteron. E) blastopore.