Arthropods _____.
a) have an exoskeleton and paired jointed appendages
b) are segmented worms like earthworms and leeches
c) have radical symmetry
d) are the simplest animals with organs and organ systems
Answer: a) have an exoskeleton and paired jointed appendages
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Septicemia is only caused by Gram-negative bacteria
Indicate whether this statement is TRUE or FALSE.
Deficiencies of brush border enzymes in the small intestine would NOT affect the complete digestion of __________.
A. fats B. starch C. DNA and RNA D. sucrose E. proteins Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about enzymes found on the brush border? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Red algae, green algae, and plants are so closely related that they are grouped in the same supergroup by most biologists.
Answer the following statement true (T) or false (F)
A liger is a result from a male lion and a female tiger. Male ligers cannot produce offspring This is an example of
A. hybrid sterility. B. hybrid breakdown. C. a prezygotic mechanism. D. a prezygotic mechanism and hybrid sterility are correct. E. hybrid inviability.