FALSE - at a basic level
"Survival of the Fittest", also known as ____________ ____________ (2 words), states that organisms with the best adaptations will survive & reproduce.
Natural Selection
Which of the following is NOT a geoscience process?
A. Hurricanes
B. Earthquakes
C. Volcanoes
D. Plate Tectonics
E. Seafloor Spreading
A. Hurricanes
Fossils can be found in this type of rock.
Sedimentary rock
Millions of years ago climate change killed 90% of megafauna and transformed the landscape from ice sheets to grass and forests. Because of this, available land increased/decreased while the biodiversity of the area increased/decreased.
Increased, increased
The beginning stages of life start very similarly for many organisms, showing that a wide variety of organisms may share an ________________
Ancestor
Pakicetus is the ancestor of the modern day ____________.
Whale
This theory states that long ago the continents used to exist in a supercontinent until they drifted apart over time.
Continental Drift
Why might there be no fossils at the bottom of a rock layer?
A. New rock layers crush and destroy skeletons buried beneath them.
B. Skeletal organisms did not exist at the time these rock layers were formed.
C. All skeletal remains gradually accumulated in the deepest layers of rock over time.
B. Skeletal organisms did not exist at the time these rock layers were formed.
Place the rock layers in order from oldest (at the bottom) to youngest (at top).
H
R
M
F
B
I
Comparative embryology helps scientists provide evidence for ___________.
Evolution
Which 2 organisms in the diagram are most closely related?
A. Fish and Chicken B. Turtle and Chicken
C. Pig and Human D. None are closely related
C. Pig and Human
The coastlines of these two continents fit together so well because scientists believe they were once joined together.
South America and Africa
Which type of fossil is found in the LEAST recently formed sedimentary rock layer?
Trilobites
Name the 3 types of plate boundaries.
Convergent ➡️⬅️
Divergent ⬅️➡️
Transform ⬆️⬇️
In humans, wisdom teeth, the appendix, and tailbone are all examples of this type of structure.
Vestigial structures
This scientist created the theory of evolution after observing finches on the Galapagos Island.
Charles Darwin
Tectonic plates are able to move on top of the semi-fluid asthenosphere due to the movement of these in the mantle.
Convection currents
According to the Law of Superposition, in undisturbed layers of rock, the ________ layers are found at the bottom and the ________ layers are found at the top.
oldest, youngest
The German scientist who proposed the theory of continental drift.
Alfred Wegener
The structures below are different in function but similar in structure- and may have evolved differently due to ___________ ____________.
Different environments
Give an example of two organisms that have analogous structures.
Bird wing and bat wing
Bird wing and butterfly wing
Dolphin fins and shark fins
Eagles and insects
The process by which new oceanic crust forms when magma rises up and solidifies at the mid-ocean ridge.
Seafloor Spreading
In this image, letter Y represents...
An intrusion
When one tectonic plate slips below another, it is called...
Subduction