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On your model how could you distinguish one era or period from another and How could you show when particular organisms evolved and when they became extinct?
Wiki User
∙ 10y ago
This is the exact question on a science assignment recently given to me. Who is this??
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∙ 10y ago
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What did lamarck propose a scientific explanation for?
Lamarck hypothesized that organisms evolved through the inhertitance of acquired charactaristics.
What is the origin of killing time?
In the late 1700s it was used to describe when a group would disparage another person's character. Over the years it evolved to mean any act of doing something just to wait for time to pass.
From what animal group did arthropods evolve?
It is not likely that the annelids evolved from the arthropods is as much as they are the much simpler of the two groups of organisms. The arthropods have a well developed open circulatory system, segmented muscles and a complex nervous system (including eyes and chemoreceptors, the antennae) and an exoskeleton.
What is groosling?
I think its a grouse, but the name evolved to groosling over the years
Modern humans evolved from a single population that came from the continent of?
Africa
Did unicellular or multicellular organisms evolve first?
Unicellular organisms evolved first; and from them evolved the multicellular organisms. But that leads onto another question as to why multicellular organisms evolved.
Darwin’s theory of common descent states that all organisms?
Darwin's theory of common descent states that all organisms evolved from past organisms.
Distinguish between fitness and adaptation Give an example of each?
Fitness is "the degree of suitability for a particular environment. Genetic fitness is relative contribution by organisms of a particular genotype to the next generation". Adaptation is "An anatomical structure, physiological process, or behavioral trait that evolved by natural selection and improves an organism's ability to survive and leave descendants.
When similar characteristics in different organisms have evolved independently of one another is it called?
wieners.
Which evolved first - organisms with complex body structures or those with simple body structures?
Complex organisms evolved from simple organisms, so simple organisms evolved first.
According to the theory of today and acirc and 128 and 153s organisms evolved from past organisms.?
According to the theory of _____, today's organisms evolved from past organisms.
What is an adaptionist?
An adaptionist is another name for an adaptationist, a supporter of adaptationism, the view that many traits of organisms are evolved adaptations.
How do you distinguish between a homology and a analogy?
Homology- Evolved from a common ancestor Analogous- 2 similar structures that evolved differently
What process did Darwin book suggest that organisms evolved through?
These three ideas seem to run together, so it's important that you are able to distinguish among them. The theory that organisms change over time is evolution. The mechanism by which organisms evolve is natural selection. Survival of the fittest explains how natural selection works.Answer = Natural SelectionThe process of natural selection, of course.
What process did Darwin's book suggest that organisms evolved through?
These three ideas seem to run together, so it's important that you are able to distinguish among them. The theory that organisms change over time is evolution. The mechanism by which organisms evolve is natural selection. Survival of the fittest explains how natural selection works.Answer = Natural SelectionThe process of natural selection, of course.
What process did Darwin book suggests that organisms evolved through?
These three ideas seem to run together, so it's important that you are able to distinguish among them. The theory that organisms change over time is evolution. The mechanism by which organisms evolve is natural selection. Survival of the fittest explains how natural selection works.Answer = Natural SelectionThe process of natural selection, of course.
When did shells evolved?
Organisms evolved 550 Ma to form shells. when the Conditions were right for formation of shells.
