Dr. Randy J. Guliuzza’s extensive research points to a better explanation than natural selection for variation and adaptation in nature. Dr. Guliuzza explains that species have pre-engineered mechanisms that enable organisms to continuously track and respond to environmental changes with system elemen...
Individual organisms that carry harmful mutations tend to be eliminated from a population by natural selection. It is easy to see how deleterious mutations in bacteria, which have a single copy of each gene, are eliminated by natural...
It states that organisms with favorable traits are more likely to survive, reproduce, and pass those traits on to their offspring. What characteristic of a population increases with plentiful resources? A) Population density B) Spatial distribution C) ...
Some organisms live in shallow ponds, where much of the water will evaporate during the warm, sunny, summer months. How will the concentration of solutes change in the water during this time? Will this create problems for t...
Cells are units of life, filled with hydrate carbon-based polymers of carbon semiconductors. Cells range from simple unicellular organisms to complex multicellular ones like humans. It is helpful to imagine that a cell is like a city or a city-state with multiple zip codes. While proteins contr...
One issue that my wife runs into in her research is that any time you have to deal with living organisms, things get very complicated, very quickly. Laboratory equipment doesn't sue you and if you end up blowing up a glass beaker, then no one has to tell their relatives....
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In order to test the efficacy of wood preservative product, non durable wood blocks are treated using different product concentrations and exposed to the attack of xylophageous organisms (fungi, insects). To reproduce the ageing of the treated wood blocks, some laboratory procedures are available....
Fitness in the evolutionary sense is not the same as the physical fitness of an athlete. Evolutionary fitness refers to the number of offspring an organism produces that survive and reproduce well enough to contribute to subsequent ...
“Yeasts” are eukaryotic micro-organisms classified in the kingdom Fungi. Most reproduce asexually by budding, although a few undergo sexual reproduction by meiosis. Yeasts are unicellular, although some species with yeast forms may become multi-cellular through the formation of a string of connecte...