Adaptations: Question Preview (ID: 21445)

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The idea that species change over time by keeping traits that their parents developed during their lives was suggested by?
a) Lamarck b) Darwin c) Laughlin d) Best
The dark peppered moth population decreased during the industrial revolution because the soot-covered forests favored the dark moth. This is an example of how...
a) the environment affects natural selection b) moths can decide to change themselves to survive c) all individual moths are the same d) cannot go extinct
Variations are important in populations because they can lead to...
a) new species over time b) better environments c) less evolution d) more fossils
Physical adaptations...
a) are the features or characteristics of and organisms body b) are the way an organism behaves c) happen over a short period of time d) are the way an organism acts
Behavioral adaptations...
a) are the things animals do to survive b) physical characteristics of and organism c) only found in insects d) the way animal look
Adaptations in a species over time are caused by...
a) different changes in the environment b) the amount of food that is available c) only an increase in temperature d) animals choosing to change something about themselves
Variation is to difference; as Mutation is to...
a) change b) good c) bad d) neutral
Based on Darwin's Theory of Natural Selection, the traits developed during a parent's lifetime _________ passed on to offspring.
a) are not b) will be c) are d) are sometimes
There is variation within species. Individuals with traits most favorable for a specific environment are more likely to survive and pass on these traits to offspring. This statement is best described by?
a) Darwin's Theory of Natural Selection b) Lamarck's Theory of Natural Selection c) Darwin's Theory of Acquired Characteristics d) Lamarck's Theory of Acquired Characteristics
Some kinds of fish live most of their lives in salt water but lay their eggs in freshwater. Their ability to survive in different environments is an example of ____________.
a) an adaptation b) developmental stages c) a habit d) a life cycle
An organism is born with a genetic variation not present in any of its ancestors. This variation is most likely the result of ____________.
a) a mutation in its DNA b) respiration c) competition among individuals d) circulation of blood
When the environment changes more quickly than a species can adapt, the species may become?
a) extinct b) dominant c) diverse d) overpopulated
Sea turtles lay many more eggs than what will survive. A large number of the young turtles will be eaten by predators and only a few will survive.
a) Overproduction of offspring b) Variation c) Competition d) Selection by Nature and the Environment
The turtles share the need for similar food sources, habitats, territories, and mates. There are often not enough of these resources for all the turtles.
a) Competition b) Overproduction c) Variation d) Selection by Nature
Over time, sand on the shores where the turtles lay their eggs has darkened. The environment is more favorable to the dark colored turtles so the darker colored turtle population increases while the lighter turtle population decreases.
a) Selection by nature and the environment b) Overproduction of offspring c) Variation d) Competition
Each individual turtle is born with slightly different traits. For example, some turtles may be faster swimmers, have different markings on their shells and have broader flippers.
a) Variation b) Overproduction c) Competition d) Selection by Nature
The gray whale migrates 10,000 km from Alaska to Mexico to give birth each year.
a) Behavioral Adaptation b) Physical Adaptation c) d)
Eagles have keen eyesight, sharp talons (claws) and sharp hooked beak for hunting prey.
a) Physical Adaptation b) Behavioral Adaptation c) d)
The male moose tilts his head back so antlers lay flat on his back when running through dense woods so that they do not get caught in the branches.
a) Behavioral Adaptation b) Physical Adaptation c) d)
A frog burrows deep under the mud to survive.
a) Behavioral Adaptation b) Physical Adaptation c) d)
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