Which of the following groups are considered chordates but are lacking the vertebral column trait?
A. cephalochordates & chondrichthyes
B. urochordata & cephalochordates
C. sea squirts & chondrichthyes
D. osteichthyes & urochordata
Answer: B
You might also like to view...
Which of the following functions is NOT carried out by decomposer fungi?
A. break down leaf litter B. decay wood C. decompose dead animals D. recycle essential nutrients E. break down pathogenic bacteria
If a stretch of human double stranded DNA contains 47% G and C bases, then ____
a. it contains 47% A and T bases b. there are more pyrimidines than purines c. there are more purines than pyrimidines d. it contains 53% A and T bases
e. there are no genes in this stretch of DNAIf a man expresses an X-linked recessive trait, ____
a. all of his brothers will also express it b. his father transmitted the trait to him
c. his father carried the trait d. all of his sisters will also express it e. his mother was heterozygous or homozygous for the trait
Which of the following organisms would NOT be classified in the Domain Eukarya?
A. Salmonella enterica (bacteria that causes food poisoning). B. Sequoiadendron giganteum (Giant Sequoia tree). C. Aleuria aurantia (ascomycete fungi). D. Canis lupis (wolf). E. Loxodonta cyclotis (forest elephant).