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A group of students learns that the traits of some organisms change over time because organisms better adapted to the environment tend to survive and produce more offspring. Which term best describes this process?
use empirical evidence to validate the theory and record scientific observations
The birds from the Galapagos Islands changed over time in order to meet specific needs for survival.
Lab rats are bred to be white and have poor visyion, which makes them easier to find if they escape.
A peacock possesses bright feathers to attract a mate
The large newts increased in population and competed with the small newts for food.
Natural selection
Nebraska has light-colored soil and grass.
In order to guarantee survival, garter snakes have developed immunity to the rough-skinned newt's deadly toxins.
Rough-skinned newts are highly poisonous organisms. The newt's toxin level is great enough to repel predators, such as snakes. Garter snakes have exhibited a resistance to the toxins, which allows them to prey upon the newts. What explains this?
use empirical evidence to validate the theory and record scientific observations
The birds from the Galapagos Islands changed over time in order to meet specific needs for survival.
Lab rats are bred to be white and have poor visyion, which makes them easier to find if they escape.
A peacock possesses bright feathers to attract a mate
The large newts increased in population and competed with the small newts for food.
Natural selection
Nebraska has light-colored soil and grass.
In order to guarantee survival, garter snakes have developed immunity to the rough-skinned newt's deadly toxins.
When researching hitell other scientists ofs theory of natural selection, Charles Darwin did extensive studies on the Medium Ground Finch of the Galapagos Islands. In order to ensure that a hypothesis is actually a viable theory, a scientist must.
use empirical evidence to validate the theory and record scientific observations
The birds from the Galapagos Islands changed over time in order to meet specific needs for survival.
Lab rats are bred to be white and have poor visyion, which makes them easier to find if they escape.
A peacock possesses bright feathers to attract a mate
The large newts increased in population and competed with the small newts for food.
Natural selection
Nebraska has light-colored soil and grass.
In order to guarantee survival, garter snakes have developed immunity to the rough-skinned newt's deadly toxins.
All natural predator of large and small newts are removed from an area. The scientists hypothesize that without natural predators, the small newts will survive at a higher rate. The population of small newts remains constant. Why?
use empirical evidence to validate the theory and record scientific observations
The birds from the Galapagos Islands changed over time in order to meet specific needs for survival.
Lab rats are bred to be white and have poor visyion, which makes them easier to find if they escape.
A peacock possesses bright feathers to attract a mate
The large newts increased in population and competed with the small newts for food.
Natural selection
Nebraska has light-colored soil and grass.
In order to guarantee survival, garter snakes have developed immunity to the rough-skinned newt's deadly toxins.
Darwin studied finches on the Galapagos Islands and noticed distinct finch beaks on the various islands due to the different food sources available. From his studies, Darwin concluded...
use empirical evidence to validate the theory and record scientific observations
The birds from the Galapagos Islands changed over time in order to meet specific needs for survival.
Lab rats are bred to be white and have poor visyion, which makes them easier to find if they escape.
A peacock possesses bright feathers to attract a mate
The large newts increased in population and competed with the small newts for food.
Natural selection
Nebraska has light-colored soil and grass.
In order to guarantee survival, garter snakes have developed immunity to the rough-skinned newt's deadly toxins.
Which example does NOT describe changes due to selective breeding?
use empirical evidence to validate the theory and record scientific observations
The birds from the Galapagos Islands changed over time in order to meet specific needs for survival.
Lab rats are bred to be white and have poor visyion, which makes them easier to find if they escape.
A peacock possesses bright feathers to attract a mate
The large newts increased in population and competed with the small newts for food.
Natural selection
Nebraska has light-colored soil and grass.
In order to guarantee survival, garter snakes have developed immunity to the rough-skinned newt's deadly toxins.
Which is the best example of natural selection?
use empirical evidence to validate the theory and record scientific observations
The birds from the Galapagos Islands changed over time in order to meet specific needs for survival.
Lab rats are bred to be white and have poor visyion, which makes them easier to find if they escape.
A peacock possesses bright feathers to attract a mate
The large newts increased in population and competed with the small newts for food.
Natural selection
Nebraska has light-colored soil and grass.
In order to guarantee survival, garter snakes have developed immunity to the rough-skinned newt's deadly toxins.
The deer mouse is a species found throughout North America. Most deer mice have dark-colored coats. The deer mice that live in Nebraska have developed light-colored coats. Which best explains this phenomenon?
use empirical evidence to validate the theory and record scientific observations
The birds from the Galapagos Islands changed over time in order to meet specific needs for survival.
Lab rats are bred to be white and have poor visyion, which makes them easier to find if they escape.
A peacock possesses bright feathers to attract a mate
The large newts increased in population and competed with the small newts for food.
Natural selection
Nebraska has light-colored soil and grass.
In order to guarantee survival, garter snakes have developed immunity to the rough-skinned newt's deadly toxins.
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