The KT line marks a major change in the fossil record of foraminifera. This suggests that ...
A.
The extinction of Foraminifera caused the appearance of the KT line.
B.
The foraminifera were the direct food of the dinosaurs that became extinct at the same time.
C.
The event that formed the KT line has no relationship with the foraminifera.
D.
The event that formed the KT line also caused a change in foraminifera populations.
2.
The change in foraminifera fossils occurred at the same time that the dinosaurs disappeared. This suggests that ...
A.
The extinction of foraminifera has no relation to dinosaurs.
B.
The extinction of foraminifera and dinosaurs could have been caused by the same event.
C.
The extinction of foraminifera caused the extinction of dinosaurs.
D.
The extinction of dinosaurs caused the extinction of foraminifera.
3.
The KT limit contains 30 times more iridium than the average crust. Iridium is more common in space. This suggests…
A.
The KT event its related to Tsunamis.
B.
The KT event its related to volcanic eruptions.
C.
The KT event its related to a space phenomenon.
D.
The KT event is related to the spontaneous emergence of iridium in the earth's own crust.
4.
The amount of iridium suggests that the meteorite must have measured 10 km in diameter. This suggests that ... ..
A.
The crater formed must have been very large.
B.
The crater formed could have been small
C.
The crater could have completely disappeared
D.
The crater has no relation with the size of the meteorite.
5.
It is believed that the impact of the meteorite caused great Tsunamis. In Texas there is a site near the KT line where there are large rocks originating from different places. This suggests that ...
A.
Tsunamis were common in Texas.
B.
Tsunamis extinguished the foraminifera.
C.
Tsunamis caused the formation of rocks of different sizes.
D.
Tsunamis moved rocks from different places that ended up together.
6.
Above the KT limit there are many spores of ferns. This suggests that ...
A.
The ferns increased because the dinosaurs no longer ate them.
B.
Ferns were among the first plant populations to be restored after the KT event.
C.
Ferns werent affected by the KT event.
D.
The ferns were not among the first plant populations to be restored after the KT event.
7.
In Hell Creek there are dinosaur fossils below the KT line, but they have not been found above this line. This evidence suggests ...
A.
The KT event destroyed fossils above the line.
B.
The KT event caused the dinosaurs to migrate from Hell Creek.
C.
The extinction of the dinosaurs is not related to the KT event.
D.
The extinction of dinosaurs is related to the KT event.
8.
The anatomical similarity in the upper extremity of mammals suggests that ...
A.
The groups of mammals are not related between them.
B.
The groups of mammals are related between them.
C.
Groups of mammals developed their upper limb independently.
D.
The groups of mammals feed from different things.
9.
African ostriches are genetically related to birds from South America and Australia. This evidence suggests ...
A.
South America, Africa and Australia were united.
B.
Ostriches could fly.
C.
Ostriches could swim.
D.
South America, Africa and Europe were united.
10.
Foods take longer to decompose when they are refrigerated. This suggests that ...
A.
In refrigerators, food is less exposed to contamination by bacteria and fungi.
B.
The temperature of the food is related to the decomposition time.
C.
The dark environment of the refrigerators causes a longer decomposition time.
D.
The room temperature causes a longer decomposition time in food.
11.
The water in my aquarium "loses" more water in summer. This suggests that ...
A.
The summer weather does not affect the evaporation of the aquarium water.
B.
The summer weather makes the fish more active and consume more water from the aquarium.
C.
The summer weather affects the evaporation of the aquarium water.
D.
The summer weather causes aquarium plants to consume more water.
12.
The Chicxulub crater is 65 million years old just like the KT line. This suggests that ...
A.
The Chicxulub crater is in the Yucatán peninsula.
B.
The Chicxulub crater is very old.
C.
The Chicxulub crater is not related with the KT line.
D.
The Chicxulub crater is reated to the KT line.
13.
Scientists have found many fossils of small animals after the KT event. This suggests that ...
A.
Small animals were not better adapted to survive the new environment.
B.
Small animals were better adapted to survive the new environment.
C.
The animals became smaller by the shock waves of the meteorite.
D.
Small animals werent affected by the KT event.
14.
The presence of shocked quartz on the KT line is evidence that ...
A.
The KT event is not related to a high energy shock.
B.
Quartz is very abundant on earth.
C.
The asteroid that caused the KT event was made of quartz.
