Three weeks after renovating your house, you finally have time to move the giant load of rotting lumber out by the property line. While loading it into the trailer to haul away, your hand slides through a big puddle of yellow slime on the back of one of the wooden slabs. Ugh! What is this? It looks like scrambled eggs! Or…dog vomit? Being an astute biologist, you quickly realize what it is. Which supergroup categorizes this substance?
a. Chromalveolata
b. Archaeplistida
c. Amoebozoa
d. Rhizaria
c. Amoebozoa
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Conducting tubes of phloem, composed of stacked living cells, are called ________________.
A. vessel elements B. sieve tubes C. tracheids D. sieve elements E. xylem tubes
Tracheophyte plants are characterized by all of the following except
A. stomata. B. seeds. C. homosporous or heterosporous. D. a specialized water conducting system. E. a waxy cuticle.
Where would you find smooth muscle tissue in your body?
A) in the walls of your stomach B) in your heart C) attached to bones D) None of the above is correct.
The phenomenon known as chemotaxis is defined as
A. the squeezing of cells through the lining of capillaries. B. the release of prostaglandins and leukotrienes in response to microbes. C. the movement of a cell toward or away from a chemical stimulus. D. the coating of a pathogen by complement. E. an increase in allergies and helminth infection.