Growth that results in an increase in the girth of a plant is referred to as:
a. horizontal growth.
b. longitudinal growth.
c. primary growth.
d. radial growth.
e. secondary growth.
e
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Parental care of offspring:a
for many animals has a lower cost than benefit. b. results in a decreased probability that each offspring will survive. c. is more common in species in which the female produces two or more times during a breeding season. d. is more common among male animals than among females. e. is more common among male fishes than among females.
________ are responsible for toxic red tides
A) Plasmodial slime molds B) Dinoflagellates C) Red algae D) Diatoms
Which of these animals is a tetrapod that does NOT produce amniotic eggs?
a. Human b. Python c. Monkey d. Elephant e. Salamander
Why are the strands of DNA said to be complementary to each other?
A) The sugar-phosphate chains are running in opposite directions. B) All the bases of one strand are paired up with their complementary bases on the other strand. C) The sugar-phosphate chains of each strand are identical. D) Both strands can have any of four possible bases attached.