The seasons are determined primarily by the Earth’s tilt
____________________ Indicate whether the statement is true or false.
T
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Allele pairs are most likely to assort independently of one another when
A. they control unrelated traits. B. they control related traits. C. they are on the same chromosome. D. they are sex linked. E. they are on different chromosomes.
Which of the following describes homeostasis?
a. Maintaining constant internal conditions b. Capturing energy for metabolic functions c. Inhabiting the same specific environment d. Duplicating and distributing chromosomes
Lamarck believed
a. that a substance called fluida moved through the nerves to areas of the body in need of change. b. in the inheritance of acquired characteristics. c. that giraffes' necks elongated in response to stretching. d. that environmental pressures bring about changes in organisms. e. all of these were true
Which of these do all prokaryotes and all eukaryotes share?
a) cell wall b) plasma membrane c) nuclear envelope d) organelles