If one wanted to find the largest number of endemic species, one should visit which of the following geological features
A) an isolated ocean island in the tropics
B) an extensive mountain range
C) a midcontinental grassland with extreme climatic conditions
D) a shallow estuary on a warm-water coast
Answer: A) an isolated ocean island in the tropics
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Which of the following statements regarding the loss of biodiversity is false?
A. Earth is losing 2.5% of its species annually. B. There will be fewer species at the end of the 21st century than there are now. C. Loss of biodiversity results in the loss of novel compounds with potential medical applications. D. Loss of biodiversity may result in less productive and resilient communities. E. Habitat degradation is one of the most important threats to biodiversity.
The 5?ACU-UUC-ACU-AUG-UUU-UUA-UCC-UCC-ACU-CCU-UGA3? mRNA transcript results in which of the following polypeptide sequences?
The following codons and the amino acids they encode is as follows: AUG = Start or Met; UUU, UUC = Phe; UUA, UUG = Leu; UCU, UCC = Ser; CCU, CCC = Pro; ACU, ACC = Thr; UGA = Stop. A. Thr-Phe-Thr B. Phe-Leu-Ser-Ser-Thr-Pro C. Met-Phe-Leu-Ser-Ser-Thr-Pro D. Thr-Phe-Thr-Phe-Leu-Ser-Ser-Thr-Pro E. Met-Phe-Leu-Ser-Ser
Sympatric populations are able to coexist without competing for resources due to morphological differences known as
____.
a. niches b. character displacements c. resource partitions d. mimics e. parasitoids
Which features are commonly found in the Arthropods?
a. Endoskeleton, antennae and metamorphosis b. Endoskeleton, proglottids and molting c. Exoskeleton, antennae and proglottids d. Exoskeleton, antennae and nematocysts e. Exoskeleton, antennae and metamorphosis