8th Grade Quarterly 2- 2021 Question Preview (ID: 54473)
Quarterly Assessment Review.
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Over time, as the environment changes, populations must adapt or become extinct. Which example below explains how a population adapts to environmental changes?
a) As their environment changed, horses became larger and better adapted to running.
b) They don't pass on their favorable traits.
c) Horses feet changed from a single toe (hoof) to many toes.
d) Some dinosaur species became larger, becoming more elephant-like
If you found a fossil outside and wanted to know which currently living animal is its closest relative. Which of these statements will be most helpful in answering his question?
a) Differences in anatomical structures indicate evolutionary relationships
b) Organisms that live in the same environment are closely related.
c) Organisms that share a pattern of common features are likely to be closely related.
d) Common functions of appendages, like wings of a bat and bird, indicate a close relationship.
If you found a rock outside and wanted to know if it’s older than other fossils found in the same area, which of these should you use?
a) water sample from a nearby lake
b) local weather conditions
c) the fossil record
d) a dictionary
If you found a rock outside and wanted to know if it’s older than other fossils found in the same area, which of these should you use?
a) type and order of the rock layers
b) a dictionary
c) local weather conditions
d) water sample from a nearby lake
How is it possible that there are no fossilized skeletal systems found on the bottom layers of rock?
a) Volcanic activity and earthquakes destroyed the fossilized skeletal systems.
b) Fossilized skeletons are crushed and destroyed by layers of heavy rock.
c) Organisms with skeletal systems were consumed by other animals.
d) Organisms with skeletal systems did not exist when these layers of rock formed.
There are many animals that were alive years ago that are now extinct. This MOST LIKELY was caused by
a) the organisms didn't want to live in the new world
b) the organisms were too big to survive
c) the organisms couldn't adapt to their environment
d) the organisms were destroyed by a fire
If an area that has black peppered moths has a lot of coal pollution, the number of black moths should
a) increase because predators have a hard time seeing them
b) stay the same
c) decrease because predators can see them
d) equal the spotted pepperred moth
Which is an example of natural selection?
a) all rabbits in the litter have a different fur color
b) the rabbits all eat the same food
c) the white rabbits can blend into the snow and hide from predators
d) none of the above
The gradual process that caused the plates to move where the magma in the mantle pushes the seafloor apart and creates new crust.
a) continental drift
b) seafloor spreading
c) Pangaea
d) Weathering and erosion
The embryos of 2 different organisms have similar features. How can that be?
a) The organisms will share these same features as adults.
b) These organisms will have the same role in the same habitat.
c) These organisms will take the same amount of time to develop.
d) These organisms are related by a shared common ancestor.
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) The frequency of volcanic activity is higher at edges of tectonic plates.
d) Fossils of the same plants and animals are found on widely separated continents.
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