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