Verified
A shared derived character is called a , and an example of is convergent evolution.
A. synapomorphy; a reversal
B. synapomorphy; homoplasy
C. homoplasy; a synapomorphy
D. homoplasy; a reversal
E. homoplasy; synapomorphy - B.
Which of the following lifestyles is not observed in Domain Bacteria?
A. Chemoautotrophy
B. Photoautotrophy
C. Chemoheterotrophy
D. Photoheterotrophy
E. All of these are observed in Domain Bacteria - E.
Which of the following is a true statement about "protists"?
A. They are monophyletic.
B. The group contains monophyletic groups.
C. The term is used to describe one taxonomic Kingdom.
D. The term refers to prokaryotes and eukaryotes.
E. All of these statements are true - B.
To grow in length, plants use
A. apical meristem.
B. vascular meristem.
C. lateral meristem.
D. vascular cambrium.
,E. all of these. - A.
Pollination occurs when and fertilization occurs when .
A. sperm touches the stigma; pollination occurs
B. bees touch a flower; sperm fuses with the egg
C. pollen touches the stigma; sperm fuses with an egg
D. sperm fuses with an egg; sperm fuses with an egg
E. sperm fuses with an egg; pollen touches the stigma - C.
If a caterpillar were to bite into the leaf of a plant, the saliva of the caterpillar will do which of the
following?
A. act as a second messenger
B. stimulate an elicitor
C. block jasmonic acid
D. stimulate a signal transduction pathway
E. stimulate a second messenger - D.
Skelton has been looking at a sample of pond water and sees a eukaryote with two flagella, one of which
is hairy. This eukaryote most likely belongs to which clade?
A. Stramenopiles
B. Alveolates
C. Unikonts
D. Ameobozoans
E. Excavates - A.
Which of the following shows the correct order of Eras from the most recent to oldest?
A. Cenozoic, Mesozoic, Cambrian, Precambrian
B. Precambrian, Paleozoic, Mesozoic, Cenozoic
C. Mesozoic, cenozoic, Paleozoic, Precambrian
, D. Cenozoic, Mesozoic, Paleozoic, Precambrian - D.
The reason that we cannot add viruses to a phylogeny of all living things is that viruses
A. are made up of cells, but may not have DNA.
B. have a capsid protein and living things do not.
C. may have arisen from symbiotic bacteria.
D. may have arisen from pieces of free-floating DNA.
E. lack cells and do not maintain their own internal environments. - E.
Gram-positive bacteria always have
A. a thick peptidoglycan cell wall.
B. a thin peptidoglycan cell wall surrounded by 2 cell membranes.
C. low GC DNA content.
D. high GC DNA content. - A.
Which of the following is not an ecological role of protists?
A. fixation of carbon
B. food for other species
C. pathogens of other species
D. foundations of ecosystems (e.g., beach sand)
E. fixation of nitrogen - E.
Stomata first arose in which of the land plants?
A. flowering plants
B. seed plants
C. ferns
D. liverworts
E. mosses - E.