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Would poor nutrition affect the traits or the genes of an organism?
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How would you explain to an untrained neighbor the process scientists use to change the genes of an organism to give it useful new traits?
You might start with this link which is aimed at younger people: http://tiki.oneworld.net/genetics/
What must be true about a type of algae growing on a sloth for the algae and the sloth to have a commensal relationship?
A commensal relationship requires that one organism benefits from the relationship without affecting the other organism. So, in order for that to be true, the algae would have to be neutral to the sloth... not harming it or aiding it (those relationships would be defined differently). It would have to not affect it at all.
Is an organism made os many cells a unicellular organism?
No. An organism made of many cells would be a multicellular organism.
What term describes an organism that carriers an allele but does not show its effects?
You would call such an organism a carrier.
Is an organism converts energy in the environment into food what is the ecological role of the organism?
The role of the organism would be a producer.
The characteristics of an organism are called?
the physical characteristic of an organism is called its phenotype
Which important chemical determines the traits of an organism?
It is a series of proteins that determines the traits of an organism, not a chemical.
How might the size of a molecule affect the way in which an organism obtains the nutrients in that molecules?
The size of a molecule may affect the way in which an organism obtains the nutrients because the larger the molecule you have, the more the element can hold, so that would mean that there would be more nutrients for the organism.
What is an organism with one dominant and one recessive gene for a trait?
that organism is a heterozygous one which contain the traits of recessive as well as dominant genes.
What are traits that are hidden called?
Recessive traits can be hidden if the organism inherits one dominant and one recessive allele (i.e. is heterozygous) for a gene. If a heterozygous organism mates with another heterozygous organism for the same trait, the recessive trait may be expressed in their offspring, which would mean that the offspring inherited two recessive alleles, one from each parent.
Biological factors that affect an organism's niche include what?
All of the following would be... competition for resourcesfood needspredatorssunlight
What could happen to an organism if the organ system failed to function properly?
If an organ system stops functioning, a human would die.
How can an organism exhibit a trait not possessed by either parent?
Spontaneous mutation can affect a gene. The Organism can learn - though some would not call anything learned "a trait"
Which organism would have the most similar trait?
Organisms in the same scientific order would have the most similar traits.
Organism possessing two identical genes for a trait is said to be?
An organism that has two different alleles of the same gene is a heterozygous organism. Due to the various effects of different alleles, an organism's traits do not reveal its genetic composition.
What is meant by traits?
An acquired trait is a characteristic of an organism that developed after the organism began life. For instance, a limp from a broken leg is an acquired trait. In contrast, an innate trait is one that an organism had (or was genetically determined to develop) at the time the organism began life. An example of this would be a cat being born with a tabby-stripe coat pattern.
How did Lamarck's ideas differ from Darwin's?
Lamarck believed an individual organism acquired traits during its lifetime and passed those traits on to its offspring. He lacked support for his ideas. Darwin documented how inherited traits could be passed on by natural selection, that adaptations that give an organism an advantage is passed on through subsequent generations and becomes more common. He had evidence for his ideas (finches, tortoises…).
