Flatworms and mussels have cellular and extracellular fluids with osmolarity lower than that of the
external environment
Indicate whether the statement is true or false.
ANS: F, higher
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Use a Punnett square to determine how many different genotypes can be produced by two
parents that are homozygous dominant (mother) and homozygous recessive (father) for a particular trait.
a. four b. two c. three d. one
Arthropods having two pairs of antennae belong to the subphylum:
a. Chelicerata. b. Insecta. c. Crustacea. d. Pycnogonida. e. Cirrepedia.
South American anteaters have no teeth and a long sticky tongue; they rip open anthills and termite mounds and capture insects with their tongues
An Australian marsupial known as the numbat (Myrmecobius fasciatus) is not closely related to anteaters, but it too has highly reduced teeth and a long sticky tongue, and it feeds by ripping open termite burrows and lapping the insects up. Such similarities between species that are not inherited from a common ancestor are known as ________. Fill in the blank(s) with correct word
Which of the following is a family of double-stranded RNA viruses?
A. Picornaviridae B. Coronaviridae C. Retroviridae D. Reoviridae E. Rhabdoviridae