What is an example of mutation in evolution? Even deleterious mutations can cause evolutionary change, especially in small populations, by removing individuals that might be carrying adaptive alleles at other genes. Figure 2: The history of the gray treefrog, Hyla versicolor, is an example of mutation and its potential effects. What is the most common […]
Can humans see light speed?
How do the founder effect and bottlenecking differ?
How do the founder effect and bottlenecking differ? Bottlenecks and founder effects. Genetic drift can cause big losses of genetic variation for small populations. Population bottlenecks occur when a population’s size is reduced for at least one generation. A founder effect occurs when a new colony is started by a few members of the original […]
What are the limitations of capture-recapture?
What are the limitations of capture-recapture? Mark / Recapture Techniques These techniques have a number of limitations: The animal usually needs to be captured to be marked, which may injure it, or alter its behaviour pattern. The mark used may harm the animal – for example a dot of a particular paint may turn out […]
What are 5 facts about the Ring of Fire?
What are 5 facts about the Ring of Fire? 7 Hot Facts About the Pacific Ring of Fire It’s an International Sensation. Plate Tectonics Make the Whole Thing Possible. It’s Home to World’s Deepest Ocean Trench. It’s Littered With Volcanoes and Prone to Earthquakes. Its Quakes Aren’t Always Interconnected. It’s a Great Producer of Geothermal […]
What are the 3 schools of psychology?
What are the 3 schools of psychology? The following are some of the major schools of thought that have influenced our knowledge and understanding of psychology: Structuralism and Functionalism: Early Schools of Thought. Gestalt Psychology. The Behaviorist School of Thought in Psychology. The Psychoanalytic School of Thought. The Humanistic School of Thought. What are the […]
Which layer is closest to space?
Which layer is closest to space? Layers of Earth’s Atmosphere exosphere—contains few particles that move into and from space. exobase—the lower boundary of the exosphere. thermosphere—temperature increases with height. The International Space Station orbits Earth in this layer. mesopause—the boundary between the mesosphere and the thermosphere; the coldest place on Earth. What layer are satellites? […]
What are crinoids 2 examples?
What are crinoids 2 examples? Crinoids are echinoderms related to starfish, sea urchins, and brittle stars. Many crinoid traits are like other members of their phylum. Such traits include tube feet, radial symmetry, a water vascular system, and appendages in multiples of five (pentameral). What are the 2 types of echinoderms? The echinoderms can be […]
What are the main causes of floods?
What are the main causes of floods? What Causes a Flood? Heavy rainfall. Ocean waves coming on shore, such as a storm surge. Melting snow and ice, as well as ice jams. Dams or levees breaking. Is flooding caused by humans? There are natural and anthropogenic (human-induced) causes of flooding. Flooding can naturally be attributed […]
How can a sailboat move without electricity?
How can a sailboat move without electricity? Explanation: Wind and water as a source of energy will cause the sailboat to move. As long as the wind is blowing the sailboats will continue to move. The speed the sailboat travels will be determined by the force of the wind. Do sailboats use lift? Sails and […]