Net primary production is
A) energy made by autotrophs minus energy consumed by heterotrophs, and measured as biomass.
B) heterotrophic production minus autotrophic production per unit of land per unit of time.
C) heterotrophic production per unit of land per unit of time.
D) energy stored by secondary consumers from primary biomass.
E) energy that photosynthetic organisms make available to other organisms over a given period of time.
E
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What field of study of genetics applies statistics and mathematical tools to genetic sequences in order to better understand the genetic information?
A. Structural genomics B. Functional genomics C. Proteomics D. Bioinformatics
The letter "A" in the accompanying figure represents ____
a. ectoderm b. endoderm c. mesoderm d. neural plate e. yolk
Which of the following are most permeable to
water and small molecules? a. glomerular capillaries b. peritubular capillaries c. afferent arterioles d. ureters e. efferent arterioles
Four of the five cells listed below are haploid. Select
the exception. a. zygote b. spore c. egg d. sperm e. gametophyte