In angiosperms, pollen grains develop in the ________ and land on the ________
A) anther; stigma
B) stigma; anther
C) anther; ovary
D) carpel; stamen
Answer: A
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Which of the following groups has the largest average number of chromosomes?
a. Bryophytes d. Gymnosperms b. Lycophytes e. Algae c. Angiosperms
The evolution of conducting tubes (sieve tubes) in land plants and brown algae is an example of
A. homoplasy caused by common descent. B. homology caused by common descent. C. homoplasy caused by convergence. D. homoplasy caused by evolutionary reversal. E. homology caused by convergence.
Sexual reproduction _____________________.
A. leads to uniform characteristics within a population B. results in new combinations of genetic traits C. creates genetic clones D. requires less tissue differentiation than asexual reproduction E. produces genetic clones and requires less tissue differentiation than asexual reproduction
Multiple mutations that are found to be present in a single gene are said to belong to the same ________ group
A) transfer B) phenotypic C) expression D) allelic E) complementation