_______ are able to breathe through their skins but only if the skin is kept damp.
a) lizards and snakes
b) monotremes
c) tetrapods
d) frogs and toads
Ans: d) frogs and toads
Biology & Microbiology
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What is the primary characteristic of all animals in the phylum Arthropoda?
a. jointed appendages b. incomplete digestive systems c. asexual reproduction d. pseudocoelomic body cavities
Biology & Microbiology
A(n) __________ consists of hardened parts at the body surface. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Virus replication results in the death of the cell in ________ infection(s)
A) a lytic B) a latent C) a persistent D) a lysogenic E) both latent and persistent
Biology & Microbiology
Some pathogens produce toxins which function as (histamines/prostaglandins/pyrogens) to cause fever.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology