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BIO 182 Test Questions with Correct Answers
Since the brown tree snake is a keystone species in Guam, it must also be a keystone 
species in Australia? True or False - Answer-False 
Native predators of birds in Guam likely decreased in abundance after brown tree 
snakes arrived. True or False - Answer-True 
If birds in Guam usually disperse seeds, brown tree snakes likely had a negative 
indirect effect on plants? True or False - Answer-True 
Since more prey and fewer predators occur in Guam than in Australia, the density of 
brown tr...
- Exam (elaborations)
- • 3 pages •
Since the brown tree snake is a keystone species in Guam, it must also be a keystone 
species in Australia? True or False - Answer-False 
Native predators of birds in Guam likely decreased in abundance after brown tree 
snakes arrived. True or False - Answer-True 
If birds in Guam usually disperse seeds, brown tree snakes likely had a negative 
indirect effect on plants? True or False - Answer-True 
Since more prey and fewer predators occur in Guam than in Australia, the density of 
brown tr...
BIO 182 Test 4 Questions with Correct Answers
1) Which of the following contains a copy of the chromosome, along with a small 
amount of dehydrated cytoplasm, within a tough wall? 
A) cell wall 
B) endospore 
C) sec pilus 
D) flagellum 
E) capsule - Answer-B) endospore 
2) Which of the following is a structure that permits conjugation to occur? 
A) flagellum 
B) cell wall 
C) sex pilus 
D) capsule 
E) endospore - Answer-C) sex pilus 
3) Which of the following is composed almost entirely of peptidoglycan? 
A) sex pilus 
B) flagell...
- Exam (elaborations)
- • 7 pages •
1) Which of the following contains a copy of the chromosome, along with a small 
amount of dehydrated cytoplasm, within a tough wall? 
A) cell wall 
B) endospore 
C) sec pilus 
D) flagellum 
E) capsule - Answer-B) endospore 
2) Which of the following is a structure that permits conjugation to occur? 
A) flagellum 
B) cell wall 
C) sex pilus 
D) capsule 
E) endospore - Answer-C) sex pilus 
3) Which of the following is composed almost entirely of peptidoglycan? 
A) sex pilus 
B) flagell...