Which of the following is/are a habitat island?
A. a freshwater pond in a meadow
B. a black basalt lava flow in the middle of the
desert
C. an individual cluster of pines in the middle
of a pine forest
D. a freshwater pond in a meadow and a
black basalt lava flow in the middle of the
desert
E. a freshwater pond in a meadow, a black
basalt lava flow in the middle of the desert,
and an individual cluster of pines in the
middle of a pine forest
D
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Homologous pairs of chromosomes are separated during ________________
A. mitosis B. meiosis I and mitosis C. meiosis II and mitosis D. meiosis I E. meiosis II
Aquaporins are ____
a. channel proteins for water b. carrier proteins for solutes c. channel proteins for solutes d. carrier proteins for water e. carrier proteins for water and solutes
The liver performs all of the following functions except:a
breaking down proteins. b. converting excess glucose to glycogen. c. storing iron and vitamins. d. detoxifying poisons that enter the body. e. converting amino acids to urea.
Zooplankton-eating fish are ________.
a. primary consumers b. detritivores c. producers d. herbivores e. secondary consumers