FAD's and LAD's would differ if we focused on dinosaurs within a certain region because of migratory patterns. Similarly, focusing on species levels would decrease the available data.
FADs or First appearance datum is a term used by scientists to refer to the first appearance of a species. Like-wise, LAD is used to refer to the last appearance of a species in the record.
If we were to focus on dinosaurs within a certain region, the FAD's and LAD's may be quite different. This is due to the migratory patterns of certain dinosaurs. Perhaps a certain species has a much more distant FAD or LAD in one region than it does in another because that dinosaur may have taken many years to wander to another region of the Earth.
Like-wise, limiting our search to a species level can impact the LAD or FADs. The taxonomy hierarchy is as follows:
- species
- genus
- family
- order
- class
- phylum
increasing in scope, Domain is the level that holds the highest variety of organisms. In contrast, species is the most specific, so limiting our data to a single species level would greatly affect the LADs and FADs because it lowers the number of dinosaur species that we take into account.
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Answer:
The elastic-rebound theory explain the occurrence of earthquakes in b. When bending rocks fail, stress energy is released in the form of earthquakes.
Explanation:
The energy released as earthquakes result from when bending rocks fail and there is a rupture from the fault line. Because earthquakes are sudden movements from ruptures, the answer a is not correct. c. is also not correct because it is not the surrounding crust that vibrates but the crust is divided between two moving plates. d is also not correct because the opposite rocks are under sheer stress and the energy released is a stress energy, not a tension energy.
Answer:
Negative human impact of the environment is pollution we cause by waste and many other things. Positive human impact is the humans helping clean up the environment and help stop as much pollution as they can.
Hopefully this helps:)
Answer:
Options (1), (3), (4), and (5)
Explanation:
The mass movement is often referred to as the downslope movement of materials such as rock particles, soil and sand under the influence of gravity. The factors that are responsible for the mass movement are gravity, steepening of the slope, lack of vegetation cover, oversaturation of soil or materials. They can also occur during an earthquake as the ground shakes. These mass wasting is also considered as the mass wasting process.
This mass wasting process occurs in the following ways-
(1) Falls
(2) Slides
(3) Creeps
(4) Flows
Thus, the correct answers are options (1), (3), (4), and (5).
