In some species, the sex of the future
individual is decided by environmental
conditions and not by sex chromosomes. In
which of the following species is sex decided
by temperature?
a. birds
b. fruit flies
c. frogs
d. rabbits
e. zebras
C
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Which of the following is a characteristic of all fungi?
a. They are prokaryotic consumers. b. They break down food externally. c. They actively move during part of their lives. d. They make their own food. e. They are multicelled.
Which line of defense is the body’s inborn, general defense mechanism?
a. adaptive immunity b. the immune system c. B and T cell activity d. innate immunity e. antibody production
If the antenna complex did not exist in a particular plant mesophyll cell, what effect would that have on photosynthesis?
A. These cells would be unable to absorb any light energy B. These cells would have a reduced capacity to generate glucose C. These cells would be able to fix more carbon dioxide D. There would be no expected effect on photosynthesis
If a cell had 12 chromosomes at the beginning of meiosis II, how many would each daughter cell have after the completion of meiosis II (cells go from diploid to haploid in Meiosis I)?
A. 6 B. 12 C. 18 D. 24