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277 Results found for "environment"

101. Is Homo naledi Your “Relative,” “Ancestor,” or “Part of the Human Family Tree”?

...acknowledged in important review papers. Antón et al., for example, maintain that “dynamic environments favored evolutionary experimentation and the coupling and uncoupling of biological...

102. What Is Biology? Part 4 of 4

...continue the cycle of life Homeostasis – Living things maintain a relatively constant internal environment; not too hot or cold, not to acidic, not too salty, not too dry and so on Adaptability – This...

103. False Fossils

...suggested some kind of formation in water and also just below the water-sediment line in a hypersaline environment. They did not suggest that algae were involved. Despite the suggestions by Esteban and...

104. The Paradigm of Naturalism, Compared with a Viable Alternative

...through the action of natural selection. However, in the eastern United States the original forest environment was relatively uniform in relation to the needs of chipmunks, and there were few natural...

105. Fresh Bread; Old Fossils

...energy organic molecules from simple ingredients) were to become extinct, in an ordinary chemical environment the more complex organic molecules such as DNA would eventually disappear. DNA Residue in...

106. A Post-Flood Ice-Age Model Can Account for Quaternary Features

...that individual stratigraphic units are deposited in too short a time in relation to the rate of environmental change for this [mixing of remains] to be a likely cause.... The widespread occurrence of...

107. A Comparison of Narrative Elements in Ancient Mesopotamian Creation-Flood Stories with Genesis 1-9

...from his original wretched state while in the biblical account man's condition, along with his environment, worsened through his sinfulness which led to the Flood. This element of moral judgment is both...

108. Paleomagnetism I

...instruments. There are several factors that can affect the magnetization of sediments: depositional environment, chemical reduction, disintegration, cementing processes, and compaction. The first will...

109. Does Evolution Qualify as a Scientific Principle?

...fossils" (contemporary representatives of organisms expected to be extinct) survive because the environment did not change. If the environment changes and an evolutionary lineage survives, it is due...

110. Organization and the Origin of Life

...genetic material (by mutations for example) and then copied by a passive synthesizing process. Environmental pressures then bring about the dominance of the entities with the greatest probabilities of...

111. An Evaluation of the Use of Growth Lines in Geochronometry, Geophysics, and Paleoecology

...patterns are correlated with, and are presumably a response of, the organism to various physical environmental factors such as the light-dark cycle, tidal fluctuations, temperature, and sedimentation...

112. Geological Society of America Meeting

...the spread of grasses with photosynthetic pathways adapted for tropical (C 4) and desert (CAM) environments. This in turn is likely to have encouraged the proliferation of such grasses at the expense...

113. Chapter 2: The Matter of Life and Death

...water. It is a most difficult task to form new chemical bonds by eliminating water in an aqueous environment! HOW CAN WE HAVE SO MANY DIFFERENT KINDS OF PROTEINS? The bulk of biomatter is made from proteins...

114. Some Things We Can Know

...the most notable of these are the structure and fine-tuning of the universe, the fitness of the environment for life, the irreducible complexity of molecular machines, the specified complexity of interacting...

115. Annotations from the Literature

...The deep sea has traditionally been thought to be depleted in biodiversity, due to the extreme environmental conditions. Recent exploration and discovery is modifying that view. DEVELOPMENT: DIFFERENT...

116. Annotations from the Literature

...instance, the excellent condition of the bones and the inferred nonmarine nature of the depositional environment strongly indicate massive rapid mudflows covering scores of square kilometers. ORIGIN...

117. Annotations from the Literature

...Fe is based largely on the proposed age of the deposits and the theoretical concept of an anoxic environment for the origin of the amino acid building blocks necessary for the origin of life. The authors...

118. Young’s Old Earth

...disagreement among uniformitarian geologists (e.g., Marzolf 1969, Freeman 1976) as to their depositional environment, and Young should so inform his readers. Picard (1977), for example, disagrees with...

119. Is There a Scientific Conflict Between the Theory of Darwinian Evolution and the Fossil Record?

...that biodiversity is due to natural selection favoring individuals that are better suited for the environment. Individuals with genes for superior traits leave more offspring that also have the genes...

120. Is the Earth Special? Planetary Habitability and Genesis 1

...earth, with temperatures in excess of 450°C. Part of the reason for the more extreme Venusian environment is that most of the planet’s CO2 resides in its atmosphere, whereas on the earth it...