Quarterly 2 Review--2016-2017 Question Preview (ID: 34766)
Unit 2-2016-2017.
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A population of a certain kind of fish is introduced into a new habitat. These fish have variations in color from light to dark. Because of the lighting conditions and predators in this new habitat, light colored fish survive better near the surface
a) A. All the fish would become more similar, something exactly between light-colored and dark-colored.
b) B. None of the fish would be able to survive, because the new habitat is not suited to any of them.
c) C. There would be two populations of fish, light-colored near the surface and dark-colored near the bottom.
d) D. The fish would become smaller over time so that they could more easily defend themselves from predators.
A deer is born with lighter colored fur. How does this affect the deer’s probability of survival in an environment with a predator? The probability of survival will:
a) Increase
b) Decrease
c) Stay the same
d) None of the above
If a new, light colored predator that hunts near the surface is introduced into the habitat, what is likely to happen to the population?
a) More light colored fish will be born to replace the ones eaten
b) More dark colored fish will move to the surface
c) The population of light colored fish will decrease
d) The population of dark colored fish will increase
Which fossil is the youngest, most recent fossil presented in undisturbed rock layers?
a) The one in the top later of rock.
b) The one in the bottom layer of rock
c) The one in the middle layer of rock
d) The one that shows up the most.
Characteristics that help an organism survive and reproduce
a) Adaptations
b) Variations
c) Mutations
d) Selections
An example of natural selection
a) When organisms do not adapt and become extinct.
b) When humans select certain genes to be bred into future generations
c) Organisms that are better-adapted to their environment survive, reproduce, and pass their t
d) Animals that are not disease resistant.
What is the Theory of Plate Tectonics?
a) The formation of earthquakes and volcanoes.
b) Matching rock layers on various continents.
c) When sediments are compacted and cemented together.
d) As the seafloor spreads, the continental plates move,causing the earth's crust t continuously change.
Plant fossils were found on the east coast of South America and west coast of Africa. How did they get there when the Atlantic Ocean is in between?
a) The fossils were able to swim from one continent to the other
b) The continents were once joined together.
c) Humans transported the fossils from point A to point B.
d) The fossils developed independently on both continents.
The similarities and differences in limbs of 3 different mammals suggest that all three species developed from the same ancestor, but
a) became extinct.
b) lived in different time periods.
c) adapted to different habitats.
d) moved to similar habitats.
Explain why the skeletal structures of the dolphin's flipper and a cat's leg are similar?
a) Dolphins and cats have a common ancestor
b) Dolphins and cats have the same exact genes.
c) Dolphins and cats have the same mutations
d) Dolphins and cats are used for selective breeding.
Evidence of plate movement
a) Fossils usually found in warm areas have been found in cold areas.
b) Species of organisms in the fossil record have changed over geologic time.
c) Fossils have only been found on one continent.
d) Fossils are only found in the bottom rock layers.
Evidence of an ancestral relationship is discovered among 3 organisms(whales, cats, and horses) when making observations of their early embryos?
a) At an early stage, all of the organisms have fur and vertebrae
b) All of the organisms start out small in size even though the whales and horses grow larger.
c) At an early stage, all of the organisms have a curved shape and no fur.
d) All of the organisms start out with no hair or feathers
Whales, which live in the water, have hips. These structures are important for carrying the weight of animals that walk on land. Finding this body part in animals that don’t walk on land is best explained how?
a) Whales have evolved this structure because it might be useful in the future.
b) Whales are able to interbreed with other animals that have hips.
c) Whales have a diet that includes other animals that have this structure.
d) Whales share a common ancestor with animals that walk on land.
Groups of organisms are related through a shared evolutionary history. What would be evidence of this?
a) The habitats in which the animals live
b) Competition between organisms for resources
c) Similarities in body structures
d) Observations of interactions in the wild
New seafloor material is formed at places in Earth’s crust where –
a) rock is broken into pieces as tectonic plates push against one another.
b) one tectonic plate slides beneath another and is forced downward.
c) lava flow from volcanic eruptions builds up over many thousands of years.
d) magma rises into the spaces where tectonic plates pull away from one another.
Which of the following provides evidence that the continents on tectonic plates have moved away from each other in the past?
a) The composition and thickness of rock layers varies at different depths.
b) The frequency of volcanic activity is higher at edges of tectonic plates.
c) Ocean currents can be disrupted near boundaries between tectonic plates.
d) Fossils of the same plants and animals are found on widely separated continents.
A certain species of freshwater frogs varies in several characteristics. All have spots, but the size and number vary. Males of the species vocalize loudly while, females are silent. All the frogs eat insects, but some frogs are more successful hunte
a) All frogs will have more and larger spots.
b) Females will also make sounds.
c) Most frogs will be better at catching insects.
d) More frogs will enter an inactive state.
Which of the following is required for a trait to become more common over time in a population?
a) There must be many varieties of the trait in the population.
b) The trait must allow members of the population to eat only some kinds of food.
c) The trait must give individuals an advantage in producing offspring that survive.
d) The trait must be the result of an immediate change in the environment.
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