Sponges and worms belong to the domain ________
Fill in the blank(s) with correct word
Eukarya
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Cholera begins following a bite from a mosquito
Indicate whether the statement is true or false.
Biogeochemical cycles describe ____
a. the constant recycling of nutrients between biotic and abiotic components of ecosystems b. pathways by which energy and nutrients move through biotic components of ecosystems c. all available nutrients in an ecosystem
d. a series of mathematical equations that define an ecosystem’s most important relationships e. the input of solar energy into a closed ecosystem
Monocytes can mature into ________, which are phagocytic cells
Fill in the blank(s) with correct word
The clumping of test red blood cells indicates a negative test result (no antibodies against the virus in the patient's serum) in the
A) direct agglutination test. B) indirect agglutination test. C) complement-fixation test. D) precipitation test. E) viral hemagglutination inhibition test.