Phylogenetic reconstruction based on shared derived characters is called ____
Fill in the blank with the appropriate word.
cladistics
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. The skin-invading molds are collectively called dermatophytes
Indicate whether this statement is TRUE or FALSE.
Why do early successional stages harbor many r-selected species?
a. they often require shade b. they are long-lived c. they are not damaged by disturbances d. they produce many small seeds that colonize open areas e. they grow slowly
A prenatal diagnosis procedure that has
recently come into wide use can be performed earlier than amniocentesis, and it involves sampling the a. yolk sac material. b. allantois. c. chorion. d. yolk sac. e. umbilical cord
During a specific defense, the process of increasing the numbers of the selected cells is called:a
mitotic expansion. b. clonal selection. c. divisional activation. d. lymphocytic activation. e. memory establishment.