Lice and mites
A. are both arachnids.
B. may both be spread by personal contact.
C. are intestinal parasites.
D. cause Lyme disease
B
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Foraminifera that form test structures are exclusively found in marine waters
Indicate whether the statement is true or false.
The border across which genes can flow between two
populations is called a. the contact zone. b. the parapatric zone. c. the allopatric zone. d. the sympatric zone. e. none of these.
Individuals with the genotype Gg Hh Ii Jj will produce how many different kinds of gametes?
a. 2 b. 4 c. 6 d. 8 e. 16
Answer the following questions true (T) or false (F)
1. Isotopes differ from each other in the number of protons that they possess. 2. Atoms are electrically neutral. 3. The electrons of an atom contribute significantly to the mass of an atom.