What term defines the characteristics that suit an organism to the conditions of a particular environment?

a. genotypes
b. genetic drift


c. adaptations
d. inheritance
e. mutations


ANSWER: c

Biology & Microbiology

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The challenges in movement experienced by people with Parkinson disease are due to loss of dopamine-secreting neurons in which of the following areas?

A. medulla oblongata B. cerebellum C. thalamus D. basal nuclei E. somatosensory cortex

Biology & Microbiology

Which hormone has a role in both feelings of well-being and in social stress responses in both sexes?

a. oxytocin b. endorphins c. insulin-like growth factors d. epinephrine e. norepinephrine

Biology & Microbiology

Which of the following statements about the late follicular phase in the female reproductive cycle is false?

a) The rise in estrogen inhibits the release of GnRH, LH, and FSH b) The follicle responds to LH because of the presence of FSH induced LH receptors c) Takes place during the proliferative phase of the uterine cycle d) The follicle ruptures at the end of the late follicular phase e) Both a and c are false.

Biology & Microbiology

Which of the following is considered to be most closely related to plants?

A) Diatoms B) Brown algae C) Slime molds D) Green algae E) Euglenids

Biology & Microbiology