Tube feet of sea stars are used for feeding in addition to locomotion
Indicate whether the statement is true or false
T
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The condition that develops on a previously damaged heart valve is called
A. an aneurysm. B. acute bacterial endocarditis. C. myocarditis. D. subacute bacterial endocarditis.
Compare and contrast the life cycles of ferns and flowering plants. Include the elements of alternation of generation they hold in common and differences in the forms of the two generations, and their relative independence and dominance. Test Section: LO3 and 12.4 Key Concept: relationship of life cycles of seedless vascular plants and angiosperms Level: Advanced critical thinking
What will be an ideal response?
In nondisjunction one or more pairs of chromosomes ____
a. are deleted b. are duplicated c. undergo translocation
d. undergo random mutations e. fail to separate
All of these humans are believed to have evolved in Africa EXCEPT
Select one: a. Homo erectus. b. Homo habilis. c. Homo rudolfensis. d. Neandertals. e. Homo ergaster.