The primary function of the endosperm is ____
a. protection
b. reproduction
c. growth
d. nutrition
e. water absorption
d
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Competition among individuals of different species is called
A. interspecific competition. B. intraspecific competition. C. resource competition. D. basal competition. E. commensalism.
Members of the phylum Chordata have ________ just behind their mouths that extend to the outside environment.
a. book gills b. pharyngeal slits c. tonsils d. madreporites
How did the control group differ from the
experimental group in the butterfly experiment?
a. They were different species. b. Their native habitat of the forest differed. c. They were spotless and soundless. d. They tasted worse. e. They preferred different flowers species
Which of the following hormones is made by the hypothalamus and released by the posterior pituitary?
A) estrogen B) growth hormone C) ADH D) insulin