1)As a group, the large-scale evolutionary changes, including speciation, that take place over long periods of time is called
a-macroevolution**
b-convergent evolution
c-microevolution
d-coevolution
2) A species is a group of similar organisms that
a-can mate with each other and produce fertile offspring**
b-can live together on an island
c-can migrate to an island from the mainland
d-all have exactly the same traits
3)The best example of biological fitness is the ability of the individual to
a-Acquire new characteristics.
b-Live to reproductive age.
c-Adapt to environmental conditions.
d-Contribute to the gene pool of the next generation.**
4)How can a Biologist use the information in Molecular Clocks?
a-determine the amount of time the fossils have been buried in the earth
b-can examine what kind of point mutations that randomly occur within the DNA sequence
c-can determine about the time the organisms went extinct
d-can examine the time that two or more species are evolving independently of each other**
5)Some species of birds have special mating rituals. This is an example of...
a-behavioral isolation
b-reproductive isolation**
c-temporal isolation
d-prezygotic isolation
6)Some species of snakes have leg bones before birth but lose them before they are born. What is the name for this type of evidence of evolution?
a-comparative anatomy**
b-biogeography
c-DNA fingerprint
d-embryological
7)A lizard and a bat have similar forelimbs which better adapt to their different environment, but, they are used in different ways. This is evidence that supports the theory of evolution by means of
a-analogy**
b-acquired characteristic
c-artificial selection
d-homology
Pls check my answers soon, any help will help!
1) Your answer is correct. The large-scale evolutionary changes, including speciation, that take place over long periods of time are referred to as macroevolution.
To arrive at this answer, you can use your knowledge of biology and evolution, or you can conduct research to find comprehensive definitions of the terms provided in the options. In this case, macroevolution refers specifically to the large-scale changes that occur over time, such as the formation of new species.
2) Your answer is correct. A species is defined as a group of similar organisms that can mate with each other and produce fertile offspring.
To arrive at this answer, you can use your understanding of the definition of a species or conduct research on the topic. In biology, the ability of organisms to mate and produce fertile offspring is a key defining characteristic of a species.
3) Your answer is correct. The best example of biological fitness is the ability of an individual to contribute to the gene pool of the next generation.
To arrive at this answer, you can use your understanding of the concept of biological fitness or conduct research on the topic. In evolutionary biology, individuals with traits that enhance their reproductive success are more likely to pass those traits on to the next generation through their genes.
4) Your answer is incorrect. The correct answer is: Biologists can use the information in Molecular Clocks to examine the time that two or more species are evolving independently of each other.
Molecular Clocks are based on the assumption that the rate of molecular change is constant over time. By comparing the differences in DNA sequences between species, biologists can estimate the amount of time that has passed since two species diverged from a common ancestor. This information can help determine when different species started evolving independently.
5) Your answer is correct. Special mating rituals in birds are an example of reproductive isolation.
To arrive at this answer, you can use your understanding of reproductive isolation or conduct research on the topic. Reproductive isolation refers to mechanisms that prevent members of different species from mating and producing fertile offspring. In the case of special mating rituals in birds, they serve as a barrier that prevents interbreeding between species.
6) Your answer is correct. The type of evidence of evolution in which snakes have leg bones before birth but lose them before they are born is called comparative anatomy.
To arrive at this answer, you can use your understanding of the different types of evidence for evolution or conduct research on the topic. Comparative anatomy involves comparing the anatomical structures of different organisms to identify similarities and differences. In the case of the leg bones in snakes, this comparative anatomical evidence indicates a common ancestry with other vertebrates that have fully developed limbs.
7) Your answer is correct. The fact that a lizard and a bat have similar forelimbs that are adapted to different environments, but used in different ways, is evidence that supports the theory of evolution by means of analogy.
To arrive at this answer, you can use your understanding of the different types of evidence for evolution or conduct research on the topic. Analogous structures are structures that have a similar function but different evolutionary origins. In this case, the similar forelimbs in a lizard and a bat serve different functions (e.g., walking and flying), indicating that they have independently evolved to serve similar purposes in their respective environments.