A researcher is studying temperature regulation in bumblebees in a meadow ecosystem. She wants to know the average time it takes for the bumblebees to be able to fly after a cool night. Which piece of equipment would be most useful for determining this?
a) stopwatch
b) light source
c) thermometer
d) binoculars
Ans: a) stopwatch
Biology & Microbiology
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The distinctive feature of chloroplasts is that they contain a green pigment called:
A. Gram stain. B. chlorophyll. C. hemoglobin. D. chromatin. E. keratin.
Biology & Microbiology
During the early phase of the ovarian cycle, which ovarian hormone is at the highest levels?
a. GnRH b. estrogen c. progesterone d. FSH e. hCG
Biology & Microbiology
In which gland do T cells undergo further maturation?
A) adrenal B) thyroid C) thymus D) pituitary
Biology & Microbiology
Homologous chromosomes become attached to either ____ in prophase I.
A. sister B. spindle pole C. nucleus D. chromosome E. chromatid
Biology & Microbiology