How would you describe the four key principles of natural selection?
Well, the 4 key principles of Talamarianism contribute to natural selection in very different ways. The first contributes by melting flesh. The other 17 are Melissa and Jim's children, therefore they are not immune to freshly cut grass.
Jean-Baptiste Lamarck proposed the theory of inheritance of acquired characteristics, which suggests that traits acquired during an organism's lifetime can be passed on to its offspring. He also proposed the idea of use and disuse, where organs that are used frequently become more developed while those that are not used deteriorate over time. However, Lamarck's theories have largely been discredited in favor of Darwin's theory of natural selection.
Why does natural selection favor different sizes in each animal?
Nature loves to make no sense a lot of the time.
Nature can't think, it just goes along with what works so far- otherwise, Humans would be giant-bionic super-soldier's that don't haft to eat by now.
No, the reason why nature favour's different sizes in most animals is probably because a long time ago, a event happened, causing animals to adapt to where the males were larger, and the females were smaller.
That was probably because the event caused many baby's to die, and so then the females (who were not a different size) died because they often fought to defend there offspring.
So, afterwords, the male took the role of protection.
Shrug
How many species have died since human evolution?
It is difficult to estimate the exact number of species that have become extinct since human evolution began, but it is believed to be in the millions. The rate of extinction has increased significantly in modern times due to human activities such as habitat destruction, pollution, and climate change.
How did lamark propose that species change over time?
Jean-Baptiste Lamarck suggested an idea that Darwin would later expand upon. Lamarck suggested that any changes a creature underwent during its lifetime would be passed down to the offspring. He also believed unused parts would just go away over time, due to this.
When an object is at its highest point which energy value is highest potential or kinetic?
Kinetic energy is a manifestation of the product of mass times velocity. Mass has no upper limit, velocity has (so far as we know). The maximum velocity of anything with mass is c, the speed of light.
How you would accelerate a massive object to this speed is not known. The more massive an object the more difficult it is to accelerate it.
If you could then the most massive object travelling at this velocity would have the most kinetic energy.
Do humans have true bony teeth?
No, humans do not have true bony teeth. Teeth are composed of hard tissues like enamel, dentin, and cementum, which are different from bone tissue. Teeth are attached to the jawbone through the periodontal ligament.
Behavioral trends in primate evolution include?
Behavioral trends in primate evolution include increased intelligence, complex social structures, tool use, and communication. Primate species have also exhibited adaptations for various ecological niches and forms of locomotion, such as brachiation and quadrupedalism. Additionally, there is evidence of increased parental care and problem-solving abilities in some primate groups.
Why are many gene linkages conserved in evolution?
Linked that closely these genes can travel down the generation not being crossed over or subjected to recombination in any way. Mutation in one or the other may break this linkage, but that is not as statistically likely as the non-recombination events in sex cells over many generations.
What was darwin greatest contribution to evolutionary theory?
Charles Darwin's greatest contribution to evolutionary theory was the concept of natural selection, which explains how species adapt and evolve over time. Through this mechanism, he proposed that individuals with advantageous traits are more likely to survive and reproduce, leading to the gradual evolution of species. This idea revolutionized the scientific understanding of how life diversifies and changes on Earth.
When an organism disappear from earth is called?
When an organism disappears from Earth, it is called extinction. Extinction occurs when a species can no longer be found anywhere on the planet, often due to environmental changes, habitat destruction, over-hunting, or other factors that make it impossible for the species to survive.
How do you prove that abiogenesis or spontaneous generation theory went wrong?
Abiogenesis or spontaneous generation theory was disproved by Louis Pasteur's experiments in the mid-19th century, showing that life does not arise spontaneously from non-living matter. Pasteur demonstrated that microorganisms in broth did not appear unless introduced from an external source, contradicting the idea of spontaneous generation. This experiment led to the acceptance of the biogenesis theory, which states that living organisms only arise from other living organisms.
What did Lamark think evolution involved that caused his ideas to be incorrect?
He proposed that the biological process of adaptive change over time was driven by an internal desire or motivation within the organism to achieve a goal, e.g., long necks in giraffes. He also incorporated the concept of group selection into his version of evolution, which was later discredited by Darwinism. Individuals always die faster than groups so natural selection will always operate on the individual before the group. Darwinism and current gene centred evolutionary theory has also demonstrated that adaptive change over time is driven by the environment and chance.
Is there an immortal creature in real life?
No known creature is truly immortal. Some species, such as certain jellyfish and hydras, exhibit a form of biological immortality through continuous cell regeneration, but they can still die from predation, disease, or environmental factors.
What is the major problem of Lamarck's theory?
Lamarck predicted that changes inherited in the parent's own lifetime would be inherited. This would mean, among other things that:
None of the three above scenarios are the case, contrary to what Lamarck predicted.
Are seals and penguins divergent or convergent evolution?
Seals and penguins have undergone convergent evolution. Despite both being adapted for aquatic life, seals are mammals while penguins are birds, demonstrating how different lineages can evolve similar traits in response to similar ecological pressures.
What does evolution men in biology?
Evolution in biology refers to the change in inherited characteristics of populations over successive generations. It is driven by mechanisms such as natural selection, genetic drift, mutation, and gene flow, leading to the adaptation of organisms to their environments and the origin of new species.
What was incorrect about Lamarck's hypothesis?
Lamarck proposed the idea of acquired traits being passed on to offspring, known as the inheritance of acquired characteristics. However, this concept has been proven to be incorrect through the science of genetics, which relies on the understanding of DNA and how traits are inherited through genes, rather than through an organism's interactions with the environment.
Are members of a clan prove descent from a common apical ancestor?
Yes, members of a clan are believed to descend from a common apical ancestor. Clans are kinship groups that trace their lineage through a common ancestor. This shared ancestry forms the basis of the clan's identity and is often a key factor in determining membership.
How did Lamarck's theory of evolution vary from Darwin's?
Lamarck proposed that acquired traits could be inherited, while Darwin emphasized natural selection as the mechanism for evolutionary change. Lamarck's theory focused on an organism's individual efforts to adapt, whereas Darwin's theory highlighted the role of competition and environmental factors in shaping evolution. Despite both theories contributing to our understanding of evolution, Darwin's theory has gained more support due to its emphasis on genetic variation and natural selection.
How did archebacteria obtain its energy?
Archebacteria obtain their energy through various metabolic pathways such as chemosynthesis, where they harness chemical energy from inorganic compounds like sulfur or iron. They can also utilize sunlight through a process called phototrophy to produce energy. Additionally, some archebacteria can derive energy from organic molecules through fermentation or respiration.
What was the first group of animals to have an anus?
The first group of animals to have an anus were believed to be cnidarians, which include jellyfish and sea anemones. An anus allowed for the efficient removal of waste from their digestive system.
What did lamarck think evolution involved that caused his ideas to be incorret?
Lamarck believed that traits acquired by one individual, will be immediately passed down on it's descendants. FE: If your father was a smith, you will have stronger muscles and bigger hands. Which is not true because evolution like that happens over thousands maybe millions of years and genetic changes are only expressed if the mutations occur in the DNA of the reproductivecells (spermproducingcells etc)
Note: Lamarck has proven to be right by scientist nowadays in the point of genetic expression: Children of people who survived the Hunger Winter in Holland of 1944 have more chance on heart diseases and become thicker more easily. This change is directed to the fact that certain events can activate certain genes, thus stating that Lamarck's theory isn't entirely wrong
List the evidences for animal evolution?
The evidence for animal and human evolution is so overwhelming that it is not possible to list it all within the scope of a short .
Following decades of research, Charles Darwin published his book, The Evolution of Species in 1859. This contains copious evidence for evolution by natural selection, yet Darwin barely touched on the wealth of detail that we now have on evolution.
Darwin, writing at a time when the known fossil record was scanty, barely touched on what we now know. We now have an extensive fossil record of the evolution of numerous species, with intermediate forms showing how one species or genus has gradually evolved into others.
A good scientific theory should be able to predict facts that we do not yet know. The discoverers of Tiktaalik Roseaebelieved that the Theory of Evolution predicted that a species intermediate between fish and amphibians should be discovered in specific rock layers of a proposed search area, went there and soon found what they were looking for.
Recent advances in our knowledge of DNA now mean that we have another scientific basis for animal evolution. For example, scientists can use DNA evidence to ascertain that our human ancestors diverged from the ancestors of the chimpanzee some seven million years ago. That this seems consistent with the dossil record should not be regarded as a mere coincidence.
What did lamarck think evolution that caused his ideas to be incorrect?
Lamark's Theory of evolution suggested that organisms can pass on genetic traits that were acquired through their lifetime. This is also known as the theory of inherited traits.
So what does all this mean?
I'll give you an example: Say you were born and you began working out as a teenager. By the age of 30, you developed a bulky body. Then you have a child. Lamark's theory suggest that the baby would eventually have muscular arms without going to the gym.