WorksheetsBiology finals second trimester
Total questions: 22
Worksheet time: 11mins
Beak shape in finches is affected by the
A: number of predators in the area.
B: size of the finch.
C: color of the finch.
D: type of food available to eat.
The finches that Darwin studied differed in the shape of their beaks. According to Darwin, the finches probably
A: came with those traits from South America.
B: would become more similar over time.
C: were descended from similar birds in Africa.
D: had become adapted to eating different diets.
Layers of rock give evidence of
A: Lamarckian inheritance.
B: population growth.
C: the great age of Earth.
D: artifact selection
Lamarck and Darwin had similar views about
A: adaption to the environment.
B: plants and animals producing more offspring than can survive.
C: cahnge in the frequency of certain alleles on a population.
D: the age of Earth
The major idea that Darwin presented in his book /The Origin of Species/ was that
A: species changed over time and never competed with each other.
B: animals changed, but plants remained the same.
C: elephants and bacteria changed constantly.
D: species changed over time by natural selection.
The Galapagos finches are adapted to their environment because they have
A: not changed.
B: migrated.
C: evolved
D: hibernated.
Darwin's theory lacked an explanation for
A: how evolution occurs.
B: inheritance of traits.
C: adaptations.
D: compitition.
The formation of new species is called
A: extinction.
B: embryology
C: speciation.
D: microevolution.
The term microevolution refers to
A: speciation.
B: macroevolution.
C: small-scale chenges in a population's genes.
D: large-scale changes in species traits.
The hypothesis that evolution occurs at slow, gradual pace is known as
A: gradualism.
B: slow motion.
C: natural selection.
D: adaptation.
Darwin thought that the plants and animals of Galapagos Island were similar to those of a nearby coast of South America because
A: their ancestors had migrated from South America to Galapagos Islands.
B: other scientists in South America had written about similar species.
C: the island organisms had the same nucleotide sequences in their DNA as the mainland organisms.
D: he found fossils, proving that the animals and plants had common ancestors.
Directional selection tends to eliminate
A: both extremes in a range of phenotypes
B: one extreme in a range of phenotypes
C: intermediate phenotypes
D: newly formed phenotypes
shift toward one extreme : directional selection ::
A: shift away from the mean : stabilizing selection
B: shift toward the mean : disruptive selection
C: shift away from both extremes : stabilizing selection
D: shift toward both extremes : directional selection
when a speciers begin to occupy more than one niche, and divergence and speciation occur as aresult, the species is said to have undergone
A: resource sharing
B: adaptive radiation
C: competitive exclusion
D: geographic isolation
homozygous : heterozygous ::
A: heterozygous : Bb
B: probability : predicting chances
C: BB : Bb
D: factor : gene
Succession occurs
A: as one generation of organisms replace the previous one.
B: as previously existing community is replaced
C: after a new food web is established
D: only after a glacier retreat
ammonification : ammonia ::
A: denitrification : nitrogen gas
B: oil : gasoline
C: nitrification : ammonia
D: nitrification : oxygen
Phosphorus is often found in soil and rock in which form?
A: calcium carbonate
B: calcium phosphate
C: phosphate
D: carbonate
which of the following shows the correct order of the three eeras of the geological time scale from oldest to youngest?
A: Mesozoic, Cenozoic, Paleozoic
B: Mesozoic, Paleozoic, Cenozoic
C: Paleozoic, Mesozoic, Cenozoic
D: Paleozoic, Cenozoic, Mesozoic
Cyanobacteria are thought to be the ancestors of
A: mitochondria.
B: nuclei
C: ribosomes
D: chloroplasts
pre-eukaryotic cells lacked
A: mitochondria
B: cell membranes
C: DNA
D: RNA
protists : Precambrian ::
A: flowering plants : Mesozoic
B: Paleozoic : fishes
C: bacteria : protists
D: fungi : land plants
