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Changes in Organisms over Time Using fossil evidence, scientists can learn how organisms have changed over long periods of time. The chart shows information about how traits of ancestors of the modern horse have changed. Question Use the graph to answer
How can embryos help scientists understand evolution?(1 point) Responses Embryos go through various stages that suggest the animal’s evolutionary process. Embryos go through various stages that suggest the animal’s evolutionary process. Embryos provide
What can scientists analyze to get a better understanding of how plants and animals evolved from a common ancestor?(1 point) Responses life cycles and behaviors life cycles and behaviors petrified bones and imprints of plants petrified bones and imprints
What is typically studied when analyzing not-yet-born (or unhatched) animals?(1 point) Responses casual records casual records DNA sequencing DNA sequencing embryological development embryological development evolutionary theory evolutionary theory
Some mutations, or changes in the sequence of DNA, do not have any effect on the characteristics of the organism. Why is this?(1 point) Responses The mutated sequence still codes for the same amino acid. The mutated sequence still codes for the same amino
What is the term for the remains, imprints, or traces of living things from a previous geological age?(1 point) Responses strata strata sedimentary rocks sedimentary rocks fossils fossils radioactive decay
Vertebrate embryos all follow a very similar developmental process. Which statement could explain this similarity?(1 point) Responses All vertebrates live in similar environments which require the same adaptations. All vertebrates live in similar
Fossil A is found closer to the surface compared to Fossil B. Which of the following conclusions can be made based on this statement?(1 point) Responses The species of Fossil A evolved from the species of Fossil B. The species of Fossil A evolved from the
All vertebrate embryos have a tail and gill slits at some point during embryonic development. What does this suggest about vertebrates?(1 point) Responses These species evolved in similar environments. These species evolved in similar environments. These
The forelimbs of bats and humans have a very similar bone structure even though they appear very different on the outside. These structures are known as __________ because they result from species evolving __________. Which of the following answer choices
A cladogram shows the evolutionary relationship between humans, chimpanzees, and gorillas. The cladogram currently shows humans and chimpanzees with a more recent common ancestor compared to gorillas. Which piece of evidence, if true, would most likely
Look at the graph of different types of vertebrates. Which evidence would support the relationships shown on this graph? (1 point) Responses Mammals have more genes in common with birds than with amphibians. Mammals have more genes in common with birds
A scientist is attempting to build a cladogram that shows the evolutionary closeness of three organisms in relation to humans. After doing DNA analysis, they determine that the organisms share the following percentages of DNA: Organism A and humans share
Can fossils be used as evidence of evolution?(1 point) Responses No, because they only show change over a specific time period. No, because they only show change over a specific time period. No, because only DNA and embryology can be used to study
The following amino acid sequences were determined for part of the hemoglobin alpha protein of some primates. Humans: Val-Thr-Asp-Leu-Gly Chimpanzees: Val-Thr-Asp-Leu-Val Gorillas: Val-Ser-Glu-Leu-Met Lemurs: Val-Met-Asn-Val-Thr Based on this data, which
What contains the code for all life on Earth?(1 point) Responses extinct life forms extinct life forms DNA sequences DNA sequences causal records causal records embryological development
Which embryonic feature suggests human beings and fish share a common ancestor?(1 point) Responses Human embryos go through a stage during which tails and gills are formed. Human embryos go through a stage during which tails and gills are formed. Fish
Question What is the significance of human arms and bat wings developing in a similar manner?(1 point) Responses It suggests the two species have common roots. It suggests the two species have common roots. It suggests that humans evolved indirectly from
What is the significance of archaeologists finding fossilized embryos of early Cambrian animals?(1 point) Responses The discovery suggests a close evolutionary connection between humans and many other mammals. The discovery suggests a close evolutionary
What makes it possible for scientists to discover how certain types of animals evolved in different environments?(1 point) Responses the radioactive decay of fossils the radioactive decay of fossils the biodegradation of soft tissues the biodegradation of
Which anatomical feature of an animal is more likely to biodegrade over time and not become a fossil?(1 point) Responses skin skin teeth teeth shells shells bones
Which statement best compares the evolutionary relationship of an elephant, a hedgehog, and a pig? (1 point) Responses Pigs are not related to elephants, but they are distantly related to hedgehogs. Pigs are not related to elephants, but they are distantly
When looking at a cladogram, if two species are closely connected to one another, what does that imply about their genetics?(1 point) Responses They share a minimum percentage of their DNA. They share a minimum percentage of their DNA. The two species have
Approximately 80% of the genes found in cows are similar to the genes found in humans. Humans and chimpanzees have over 99% similarity in their genes. Which statement best describes the relationship of humans to these two organisms? (1 point) Responses
Chimpanzees, chickens, cows, and human beings all share a gene for an insulin hormone. What does this suggest?(1 point) Responses This suggests that all of these species share a common ancestor. This suggests that all of these species share a common
Which statement about evolution is accurate?(1 point) Responses Animals, plants, and microbes have their own separate, unrelated ancestries. Animals, plants, and microbes have their own separate, unrelated ancestries. Living things have adapted and changed
For decades, scientists relied on the fossil record and comparative anatomy to assemble evolutionary lineages. Which statement describes a limitation of these methods? (1 point) Responses They are no longer relevant because the fossil record is complete.
Based on the phylogeny shown above, you can conclude that species 4 is most closely related to species ________. (1 point) Responses 5 5 1 1 3 3 1 or 3 (Can't tell)
Use the passage to answer the question. Which evaluation best describes the speaker’s style? (1 point) Responses She uses transition words and phrases. She uses transition words and phrases. Her key ideas are presented logically. Her key ideas are
What does it mean to evaluate something?(1 point) Responses to convince another person to believe it to convince another person to believe it to find more information in order to better understand it to find more information in order to better understand
Question What is antithesis?(1 point) Responses how writers and speakers use language to persuade people how writers and speakers use language to persuade people the use of language an appeal to authority and credibility the use of language an appeal to
Use the passage to answer the question. What evidence does the speaker use to support her claim? (1 point) Responses She gives examples of the broad effects of structural racism. She gives examples of the broad effects of structural racism. She
What are transitions?(1 point) Responses the way a text is arranged the way a text is arranged words or phrases that connect ideas words or phrases that connect ideas titles that separate sections of text titles that separate sections of text pages that
What does it mean to synthesize?(1 point) Responses to present only the most critical information for a reader to understand a story or subject to present only the most critical information for a reader to understand a story or subject to combine
Poor lifestyle habits take time to change. (1 point) Responses True True False
Most people who do not pay attention to their health have spent a lifetime of working out and should take a break from physical activities. (1 point) Responses True True False
Most Community Centers offer family activity events, health fairs, and education. (1 point) Responses True True False
Encouraging a walk after dinner can be a way to help your family members engage in physical activity. (1 point) Responses True True False
If you feel that your family could improve their overall level of fitness, you should encourage them to do so. (1 point) Responses True True False
Most Community Centers cater to teenagers who need a place to “hang-out.” (1 point) Responses True True False
Obesity begins in the home. (1 point) Responses True True False
Most people that participate in physical fitness do not enjoy encouraging their family members to get involved with them. (1 point) Responses True True False
Thirty minutes of physical activity a day can improve your family’s health and can help to bring you closer together. (1 point) Responses True True False
A scientist compares the amino acid sequences of four species to a similar protein produced by a human. The table shows the percentage of similarity in the amino acid sequence of each organism compared to the human sequence. Organism Amino acid sequence
Which claim is supported by the evidence in the table? (1 point) Responses Humans have the closest evolutionary relationship to Species 1. Humans have the closest evolutionary relationship to Species 1. Humans have the most distant evolutionary
Based on this diagram, which two groups of organisms share the most similar DNA? (1 point) Responses bears and salmon bears and salmon warm-blooded and cold-blooded warm-blooded and cold-blooded turtles and frogs turtles and frogs vertebrates and
How does DNA analysis help scientists better understand evolution?(1 point) Responses It shows us an organism’s genome sequence. It shows us an organism’s genome sequence. It shows us what codons an organism has. It shows us what codons an organism
Which statement best describes the relationship between protein, amino acids, and DNA?(1 point) Responses Amino acids code for DNA. DNA is made up of protein. Amino acids code for DNA. DNA is made up of protein. DNA codes for amino acids. Amino acids are
Which citation of an online magazine article is correctly formatted with all the necessary information?(1 point) Responses August White for Bloom Magazine: “Saving Endangered Flowers,” bloommag.org/guest-writers/saving-endangered-flowers, May 20, 2016.
What is a citation?(1 point) Responses the act of taking words or ideas from a source and passing them off as one’s own the act of taking words or ideas from a source and passing them off as one’s own the information in a text that supports the thesis