What is the organic constituent of soil called?

a. clay
b. gravel
c. humus
d. sand
e. silt


c

Biology & Microbiology

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The major difference between the human male and female reproductive systems is the

a. provision of a site for fertilization and embryo development in the female. b. production of haploid gametes only by the male. c. diploid polar bodies of the female. d. generation of millions of eggs but only thousands of sperm each month. e. presence of a duct system opening to the body's exterior only in females.

Biology & Microbiology

__________ and __________ fluid are the main

components of extracellular fluid. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

A human diploid cell has ____

a. 23 chromosomes b. n sets of chromosomes c. only the X or Y chromosome d. 23 pairs of homologous chromosomes e. 46 different chromosomes

Biology & Microbiology

T or F: There are seven types of diarthrodial joints

What will be an ideal response?

Biology & Microbiology