What do you call a structure that serves no apparent useful function?
What do you call a structure that is similar in form to the structure of another organism, even if it has a different function? (Like bones in both a human arm and a bat wing)
When one organism is better adapted to its environment than another, it is more likely to survive and reproduce. What is this idea called?
What does evolution mean in biology?
According to Darwin's view of natural selection, overproduction means producing
Studying how organisms develop would be used in this evidence of evolution
Horse ancestors had a smaller body and shorter legs. What evidence might scientist have used to come to that conclusion that horses have changed over time.
The species changed in each successive rock layer. Is an example of this evidence for evolution
What are homologous structures in different species evidence of?
An adaptation is a trait that helps an organism…
In humans, the pelvis and femur, or thigh bone, are involved in walking. In whales, the pelvis and femur are
The scientist who published the booh Origin of Species and proposed the theory of natural selection was
Certain antibiotics become useless over time because
According to an evolutionary tree, which organisms share the most recent common ancestry?
Which of the following statements about Charles Darwin is true?
The similarities between the embryonic structures of different species can be used as evidence of
How is artificial selection different from genetic engineering?
Scientists have produced a genetically engineered orange tree that is resistant to disease. Which of the following is the best example of a potential benefit to society that could result from this biotechnology?
Scientists must carefully weigh the risks and benefits of biotechnology. Which of these is a risk that scientists must consider when genetically engineering a plant?
The human practice of breeding animals or plants that have certain desired traits.
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