Answer:
Adaptation and extinction occur as a result of long term change whereas loss of habitat and forced migration results of short term change.
Explanation:
Adaptation and extinction occur as a result of long term change in the environment whereas loss of habitat and forced migration is a result of short term change in the environment. Adaptation occurs in the organism as a result of climate change because when the climate change occurs some organisms are extinct due to intolerance of the change environment whereas some organisms adapt the environment by making some changes its physical structure in order to survive. Loss of habitat and forced migration occurs due to sudden big change in the environmental conditions such as flooding and volcanic eruptions.
Being biased results in having decisions being made by emotion or other factors as sorts, when trying to apply it with scientific ideas you’re expecting you’re own results to be accurate in your biased position or opinion
Answer: A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time.
Explanation: A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms. That being said, certain land organisms are useful in young rocks and specific regions.
Answer:
A polygenic trait can be described as a physical trait which is influenced by more than one gene.
The three types of selection for a polygenic trait are:
1) Directional Selection: In a directional selection, one of the phenotype is favored in an ecosystem. As a result of this favoring, the allelic frequency changes and shifts in favor of this particular trait.
2) Stabilizing selection: It is a type of natural selection in which the intermediate trait is favored. The population carries a middle trait in abundance.
3) Disruptive Selection: Disruptive trait is a type of natural selection in which the traits on the extreme sides are favored. The intermediate traits are less favored.
Two fatty acids ( long chains of Hydrogen and carbon) which are attached to a glycerol head , where the glycerol head is attached to a phosphate group
or generally Phospholipids consist of a hydrophilic head and a hydrophobic tail.
