Steven notices that every time he goes outside on a hot day, he begins to sweat. Soon afterward, he becomes thirsty and looks for something to drink. What general hypothesis might Steven make to describe these observations
A.) Organisms have an effect on their environment.
B.) The behavior of organisms is determined by temperature.
C.) Organisms respond to both internal and external stimuli.
D.) Heat limits how many organisms an environment can support
Answer: C.) Organisms respond to both internal and external stimuli.
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Which event occurs in a human fetus with the XX combination of sex chromosomes?
a. Anti-Müllerian hormone is produced. b. The SRY gene is activated. c. Testosterone is secreted. d. The Wolffian ducts develop. e. The gonads develop into ovaries.
Which of the following contain enzymes used
in the breakdown of glucose and generation of ATP? a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula
All populations of different species living and interacting within an ecosystem are referred to collectively as a(n) ________
Fill in the blank(s) with correct word
When RNAs separated by electrophoresis are transferred to a membrane and detected using a nucleic acid probe, the
result is called a(n) Western Blot. __________________ Indicate whether the statement is true or false.