Examlex
Fossils found in lower strata of undisturbed sedimentary rocks are _______ and _______ similar to modern-day organisms than those found in higher strata.
Perennial Crops
Plants that live for more than two years, providing agricultural output over multiple seasons without needing to be replanted annually.
Fossil Fuel
Natural fuels such as coal, oil, and natural gas, formed from the ancient remains of plants and animals and used for energy.
Soil Erosion
The removal of the top layer of soil at a faster rate than it is formed, due to natural processes like wind and water flow or human activities such as farming.
Soil Erosion
The displacement of the upper layer of soil, causing a loss of fertility and land degradation.
Q61: Mass extinctions in the fossil record have
Q66: During the _ period, the biota recovered
Q88: When stained with Gram stain, Gram-positive bacteria
Q185: The mass extinction responsible for the demise
Q218: The first prokaryotic organisms evolved during the
Q225: Euglenids are single-celled freshwater organisms that move
Q229: Which statement about cyanobacteria and the photosynthetic
Q233: Consider a hypothetical enzyme-coding gene and sequences
Q241: A patient is admitted to the hospital
Q243: Refer to the table and sequences. <img