In nonvascular plants, sperm are formed in antheridia by mitosis
Indicate whether the statement is true or false
TRUE
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Small organisms that feed on dead or dying organic material are known as:
1.Decomposers 2.Detritivores 3.Parasites 4.Scavengers
Two of Darwin's finches display a character displacement when they occur as sympatric species. Which of the statements correctly interprets the graph?
A. Both species have the same size beak on Santa Maria Island.
B. Both species have the same size beaks on Daphne Major.
C. Both species have the same size beaks on Los Hermanos Island.
D. The two species have different beak sizes when they occur on the same island.
E. The two species feed on different food resources; one feeds on seeds while the other feeds on insects.
Which of the following can occur by the process of meiosis but not mitosis?
A) Haploid cells fuse to form diploid cells. B) Haploid cells multiply into more haploid cells. C) Diploid cells form haploid cells. D) A diploid cell combines with a haploid cell.
A _____ is typically expressed as a percentage, such that the rate base is 100.
a. ratio b. discrete c. proportion d. rate