Which of the following is the usual trigger for seed germination?
A) water
B) warm temperatures
C) oxygen
D) sunlight
Ans: A) water
Biology & Microbiology
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Currently, genetic manipulation is used to increase the numbers of endangered __________
a. fishes b. insects c. mammals d. plants
Biology & Microbiology
The gas exchange surfaces in a mammalian lung are organized into structures that look like clusters of hollow grapes. The hollow, grape-like structures are the________________.
A. alveoli B. spiracles C. papulae D. lamellae E. bronchi
Biology & Microbiology
What are some of the benefits of transferring genes from one organism to another?
What will be an ideal response?
Biology & Microbiology
Placental mammals appeared during the _____ period
What will be an ideal response?
Biology & Microbiology