The closest relatives of the familiar pine and spruce trees are _____
A) ferns, horsetails, lycophytes, and club mosses
B) hornworts, liverworts, and mosses
C) gnetophytes, cycads, and ginkgos
D) elms, maples, and aspens
C
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Bacteria that are able to grow in humans and cause disease have likely evolved to be
A) psychrophiles. B) mesophiles. C) thermophiles. D) hyperthermophiles.
Vampire squid are actually octopuses
Indicate whether the statement is true or false
Cystic fibrosis is caused by a recessive loss-of-function mutation that encodes a protein called the ________
A) cystic fibrosis transmembrane ion channel B) chloride ion transmembrane conductance regulator C) cystic fibrosis transmembrane conductance regulator D) cystic fibrosis ion channel regulator
You have identified a new mammal species. You are surprised to find that it has a pelvis, but there is no evidence the
species has legs. What can you conclude about this animal’s structure? a. The animal is very young. b. The pelvis is a vestigial structure. c. The animal is a mutant species. d. The pelvic bones are present because the animal is a mammal. e. The pelvic bones are analogous to the pelvic bones found in other mammals.