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Strawberry Cow
Questions (340)
Changes in Organisms over Time Using fossil evidence, scientists can learn how organisms have changed over long periods of time.
1 answer
69 views
A scientist compares the amino acid sequences of four species to a similar protein produced by a human. The table shows the
1 answer
46 views
This chart shows how organisms are classified by their characteristics.
A diagram titled Classification of Animals shows a tree
1 answer
43 views
How does DNA analysis help scientists better understand evolution?(1 point)
Responses It spells out the amino acids that make up
3 answers
36 views
Which statement best describes the relationship between protein, amino acids, and DNA?(1 point)
Responses Amino acids code for
1 answer
60 views
Which of the seven classifications is LEAST inclusive?
* 1 point Captionless Image Domain Species Phylum Order
1 answer
38 views
Biodiversity depends on three things: The health of the Ecosystem, the number of species present, and the amount of genetic
1 answer
38 views
An example of operant conditioning is(1 point)
Responses a person turning off an alarm clock in the morning. a person turning off
1 answer
34 views
Which of the following best explains why the Galápagos islands are still used for evolution research today?(1 point)
Responses
1 answer
80 views
What evidence is there that the 15 species of finch all evolved from one common ancestor?(1 point)
Responses Observation of all
1 answer
67 views
During the drought of 1977 on the island of Daphne Major, which of the following answers correctly explains why birds with
1 answer
61 views
What do populations living at high elevations have to adapt to?(1 point)
Responses lower ultraviolet light intensity. lower
1 answer
39 views
Which data would be the best evidence to support the claim that natural selection was still occurring in human populations?(1
1 answer
36 views
Which adaptation allowed the Tibetans to live at high altitudes?(1 point)
Responses greater ability to digest starch greater
1 answer
117 views
Suppose the mutation for the sickle cell disease gene first appeared in a region without malaria. The first carrier would have(1
1 answer
55 views
A gardener performs experiments on her tomato plants. When graphing her data, which factor is an independent variable?(1 point)
R
1 answer
50 views
Heredity and Reproductive Success Quick Check
2 of 52 of 5 Items Question The following table shows data about a population of
1 answer
46 views
Heredity and Reproductive Success Quick Check
1 of 51 of 5 Items Question The following table shows data about a population of
1 answer
93 views
Use the cladogram below to answer the questions that follow
A valid conclusion from this cladogram is that(1 point) Responses
1 answer
47 views
Use the cladogram below to answer the questions that follow
Which animals have the closest evolutionary relationship, as shown by
1 answer
61 views
Use the cladogram below to answer the questions that follow
Question 1 Which characteristic is shared by humans, wallabies, and
1 answer
57 views
A researcher found that the likelihood that a duckling would imprint depended on its age. After hatching, ducklings were kept
1 answer
39 views
A researcher found that the likelihood that a duckling would imprint depended on its age. After hatching, ducklings were kept
1 answer
39 views
If an organism is well adapted to its environment and a rapid major change occurs to the environment, what is most likely going
1 answer
55 views
Which situation is an example of altruistic behavior?(1 point)
Responses A child eats an apple. A child eats an apple. A child
1 answer
60 views
The “great dying,” which saw 96% of all species extinct, was partially caused by(1 point)
Responses an asteroid impact. an
1 answer
36 views
How are genetic modification and artificial selection similar?(1 point)
Responses Both result from natural selection. Both result
1 answer
71 views
Water is a vital part of our lives, ranked second to oxygen as the most essential for life. Without it, the body's systems would
1 answer
65 views
How is climate change today similar to the major K-Pg extinction event that ended the reign of the dinosaurs?(1 point)
Responses
1 answer
39 views
Group hunting improves a wolf’s ability to(1 point)
Responses evade predators. evade predators. sneak up on prey. sneak up on
1 answer
46 views
Herd behavior benefits wildebeests by(1 point)
Responses decreasing the chance of spreading disease. decreasing the chance of
3 answers
46 views
Which of the following pieces of evidence would be considered the most reliable and valid?(1 point)
Responses data reported by a
1 answer
34 views
Which piece of evidence would best support the argument for kin selection as a mechanism for the evolution of altruistic
1 answer
41 views
What can help make your paper more organized and more accessible for the reader to understand?
* 1 point Headings and subheadings
1 answer
21 views
What helps organize and guide your reader through your paper from one idea/paragraph to the next?
* 1 point Thesis Transitional
1 answer
34 views
What is the typical organization of a paragraph?
* 1 point Analysis, citation, evidence, topic sentence. Topic sentence,
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40 views
When writing your paragraph and organizing your ideas, you should begin with a ___ then write ___.
* 1 point Main idea, less
1 answer
36 views
A new species of fish (Species A) colonized a pond and scientists gather data to study the growth of this fish population over
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61 views
A new species of fish (Species A) colonized a pond and scientists gather data to study the growth of this fish population over
1 answer
37 views
A new species of fish (Species A) colonized a pond and scientists gather data to study the growth of this fish population over
1 answer
33 views
A new species of fish (Species A) colonized a pond and scientists gather data to study the growth of this fish population over
1 answer
35 views
A new species of fish (Species A) colonized a pond and scientists gather data to study the growth of this fish population over
1 answer
39 views
The graph shows the "Boom and Bust" patter of regular rises and falls in the rabbit population in South Australia. The points at
1 answer
59 views
The graph shows the "Boom and Bust" patter of regular rises and falls in the rabbit population in South Australia. The points at
1 answer
78 views
Examine the food web below.
Which of the following organisms would accumulate the highest levels of pesticide? (1 point)
1 answer
51 views
This graph represents...
(1 point) Responses carrying capacity carrying capacity exponential growth exponential growth logistic
1 answer
42 views
The graph here summarizes the changes in the total volume of ice in all the world's glaciers since 1960. Note that the volume
1 answer
53 views
The graph here summarizes the changes in the total volume of ice in all the world's glaciers since 1960. Note that the volume
1 answer
65 views
Fire ants first arrived in the United States in 1918, probably on a ship traveling from South America to Alabama. The maps below
1 answer
65 views
An example of a severe disruption to an ecosystem is(1 point)
Responses repurposing a building in a downtown area. repurposing a
1 answer
29 views
The brown tree snake is an invasive species in the island of Guam. The brown tree snake feeds mainly on birds and other animals'
3 answers
43 views
If you were analyzing a microscopic model of a freshwater ecosystem, what is one autotroph you might encounter?(1 point)
Response
1 answer
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How will a microscopic model of an ecosystem differ from a large-scale system?(1 point)
Responses Ecological hierarchy levels are
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85 views
A small fish called the anchovy can be found in the cold ocean waters off the coast of Peru. The anchovy population in Peru is
1 answer
57 views
A small fish called the anchovy can be found in the cold ocean waters off the coast of Peru. The anchovy population in Peru is
1 answer
38 views
Chemosynthesis relies on which energy source?(1 point)
Responses nuclear nuclear light light thermal thermal chemical
1 answer
32 views
Do both animal and plant cells have mitochondria? Why or why not?(1 point)
Responses Yes; they both need mitochondria to convert
1 answer
69 views
Read the following statement and choose the option that has the respective answers in the correct order.
“Chemical energy input
1 answer
35 views
Which of the following is the best evidence that supports the rule that only 10% of energy is transferred from one organism to
1 answer
45 views
The ultimate source of energy for most organisms is(1 point)
Responses carbon dioxide carbon dioxide the sun the sun oxygen
1 answer
28 views
The following diagram shows a typical food pyramid:
If 100,000 kJ of energy is available to the producers, how much energy is
1 answer
59 views
Use the image below to answer the question.
In the image, which animal is a tertiary consumer? (1 point) Responses lion lion
1 answer
44 views
As energy is passed through the food chain, some of the energy is lost as heat. What is the approximate amount of energy that is
1 answer
43 views
What is the major difference between the position of producers and primary consumers in the food chain?(1 point)
Responses
1 answer
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Which activity improves soil health?(1 point)
Responses applying herbicides applying herbicides composting composting removing
1 answer
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In the image, which animal is both secondary and tertiary consumer?
* Captionless Image lion jackal rabbit wildcat
2 answers
37 views
Why is ballistic stretching no longer recommended for preparing the body for exercise?
* 5 points It is still recommended and it
3 answers
50 views
Check whether each statement is describing mitosis or meiosis.(8 points)
Mitosis Meiosis The type of cell division that produces
1 answer
55 views
In humans, a fertilized egg contains 46 chromosomes. Which bar graph best represents the number of chromosomes contained in the
1 answer
55 views
DNA contains a code for synthesizing proteins. Three nucleotides in a row code for a particular amino acid. There are four
1 answer
90 views
What is the term used to describe any living or nonliving things that influence another living organism?(1 point)
Responses
1 answer
41 views
In a moth population, 47 are brown, 15 are yellow, and 34 are black. What is the approximate probability of a moth being black?
1 answer
28 views
A tall pea plant results from a dominant tall allele while the short phenotype results from two recessive alleles. What is the
1 answer
34 views
A garden contains 40 flowers, 30 of which are red. What is the frequency of red flowers?(1 point)
Responses 0.5 0.5 0.25 0.25
1 answer
22 views
Do mutations in body cells contribute to genetic variation?(1 point)
Responses No, the causes of body cell mutations are outside
1 answer
42 views
How are genotypes and phenotypes related?(1 point)
Responses Both determine the alleles individuals receive. Both determine the
1 answer
46 views
This is the original strand of DNA: ATG AAG TTT GGC TAA
Which option would represent a frameshift mutation due to deletion during
1 answer
71 views
Which cell replicates via meiosis?(1 point)
Responses heart cell heart cell red blood cell red blood cell skin cell skin cell
1 answer
41 views
A student is completing a Punnett square for a trait (X/x) that is autosomal and inherited by the dominant allele. The father
1 answer
46 views
Which statement best describes the process of crossing over?(1 point)
Responses Pairs of homologous chromosomes are divided in
1 answer
51 views
Are your heart cells the same as your brain cells? Why or why not?(1 point)
Responses No, different sections of the cells' DNA
3 answers
29 views
On which team foul do bonus rules take effect during an NBA game quarter?
(1 point) Responses 3 4 5 6
1 answer
40 views
A scientist looks into a microscope and sees that replicated chromosome pairs are lined up in the center of a cell. The
1 answer
37 views
What is the name given to the process by which a parent cell becomes two identical daughter cells?(1 point)
Responses meiosis
1 answer
68 views
In which mitotic phase does the process of cytokinesis conclude?(1 point)
Responses prophase prophase metaphase metaphase
1 answer
39 views
Which phase of mitosis is characterized by each pair of sister chromatids moving to opposite sides of the cell?(1 point)
Response
1 answer
40 views
Which stage of mitosis is characterized by microtubules pulling replicated chromosomes apart and separating them into sister
2 answers
46 views
How do cells respond if a complex organism is injured?(1 point)
Responses Cells form a blastocyst that contributes to the healing
1 answer
48 views
How do cells become specialized? (1 point)
Responses Genetically identical cells undergo differentiation to alter gene
1 answer
49 views
What is unique about stem cells?(1 point)
Responses They are differentiated. They are differentiated. They are only found in
1 answer
39 views
Which type of stem cell is able to differentiate into any cell type, including extraembryonic placental cells?(1 point)
Responses
1 answer
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In what phase of mitosis do chromosomes split into sister chromatids?(1 point)
Responses prophase prophase cytokinesis
1 answer
35 views
Which of the following correctly orders events during mitosis?(1 point)
Responses Microtubules organize the chromosomes. The
1 answer
38 views
DNA and Protein Synthesis
In the 1940s, scientists thought all genetic material was contained in structures called chromosomes
1 answer
57 views
DNA and Protein Synthesis
In the 1940s, scientists thought all genetic material was contained in structures called chromosomes
1 answer
48 views
DNA and Protein Synthesis
In the 1940s, scientists thought all genetic material was contained in structures called chromosomes
1 answer
49 views
DNA and Protein Synthesis
In the 1940s, scientists thought all genetic material was contained in structures called chromosomes
1 answer
50 views
Hox genes are regulatory genes in multicellular animals that code for transcription factors that determine the basic body plan
1 answer
40 views
The removal of sections of RNA, called introns, occur at which regulation step in eukaryotic cells?(1 point)
Responses RNA
1 answer
39 views
In prokaryotic cells, repressor proteins bind to a section of DNA called a/an(1 point)
Responses repressor. repressor. operator.
1 answer
52 views
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