Questions and answers by

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. 1 answer
2. 130 views
A scientist compares the amino acid sequences of four species to a similar protein produced by a human. The table shows the
1. 1 answer
2. 118 views
This chart shows how organisms are classified by their characteristics.A diagram titled Classification of Animals shows a tree
1. 1 answer
2. 91 views
How does DNA analysis help scientists better understand evolution?(1 point)Responses It spells out the amino acids that make up
1. 3 answers
2. 70 views
Which statement best describes the relationship between protein, amino acids, and DNA?(1 point)Responses Amino acids code for
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2. 144 views
Which of the seven classifications is LEAST inclusive?* 1 point Captionless Image Domain Species Phylum Order
1. 2 answers
2. 97 views
Biodiversity depends on three things: The health of the Ecosystem, the number of species present, and the amount of genetic
1. 1 answer
2. 93 views
An example of operant conditioning is(1 point)Responses a person turning off an alarm clock in the morning. a person turning off
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2. 69 views
Which of the following best explains why the Galápagos islands are still used for evolution research today?(1 point)Responses
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2. 144 views
What evidence is there that the 15 species of finch all evolved from one common ancestor?(1 point)Responses Observation of all
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2. 119 views
During the drought of 1977 on the island of Daphne Major, which of the following answers correctly explains why birds with
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2. 106 views
What do populations living at high elevations have to adapt to?(1 point)Responses lower ultraviolet light intensity. lower
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2. 88 views
Which data would be the best evidence to support the claim that natural selection was still occurring in human populations?(1
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2. 71 views
Which adaptation allowed the Tibetans to live at high altitudes?(1 point)Responses greater ability to digest starch greater
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2. 191 views
Suppose the mutation for the sickle cell disease gene first appeared in a region without malaria. The first carrier would have(1
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2. 120 views
A gardener performs experiments on her tomato plants. When graphing her data, which factor is an independent variable?(1 point)R
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2. 82 views
Heredity and Reproductive Success Quick Check2 of 52 of 5 Items Question The following table shows data about a population of
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2. 107 views
Heredity and Reproductive Success Quick Check1 of 51 of 5 Items Question The following table shows data about a population of
1. 1 answer
2. 157 views
Use the cladogram below to answer the questions that followA valid conclusion from this cladogram is that(1 point) Responses
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2. 99 views
Use the cladogram below to answer the questions that followWhich animals have the closest evolutionary relationship, as shown by
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2. 128 views
Use the cladogram below to answer the questions that followQuestion 1 Which characteristic is shared by humans, wallabies, and
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2. 109 views
A researcher found that the likelihood that a duckling would imprint depended on its age. After hatching, ducklings were kept
1. 1 answer
2. 114 views
A researcher found that the likelihood that a duckling would imprint depended on its age. After hatching, ducklings were kept
1. 1 answer
2. 72 views
If an organism is well adapted to its environment and a rapid major change occurs to the environment, what is most likely going
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2. 140 views
Which situation is an example of altruistic behavior?(1 point)Responses A child eats an apple. A child eats an apple. A child
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2. 124 views
The “great dying,” which saw 96% of all species extinct, was partially caused by(1 point)Responses an asteroid impact. an
1. 1 answer
2. 74 views
How are genetic modification and artificial selection similar?(1 point)Responses Both result from natural selection. Both result
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2. 150 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. 1 answer
2. 105 views
How is climate change today similar to the major K-Pg extinction event that ended the reign of the dinosaurs?(1 point)Responses
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2. 105 views
Group hunting improves a wolf’s ability to(1 point)Responses evade predators. evade predators. sneak up on prey. sneak up on
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2. 89 views
Herd behavior benefits wildebeests by(1 point)Responses decreasing the chance of spreading disease. decreasing the chance of
1. 3 answers
2. 88 views
Which of the following pieces of evidence would be considered the most reliable and valid?(1 point)Responses data reported by a
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2. 80 views
Which piece of evidence would best support the argument for kin selection as a mechanism for the evolution of altruistic
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2. 102 views
What can help make your paper more organized and more accessible for the reader to understand?* 1 point Headings and subheadings
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2. 84 views
What helps organize and guide your reader through your paper from one idea/paragraph to the next?* 1 point Thesis Transitional
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2. 70 views
What is the typical organization of a paragraph?* 1 point Analysis, citation, evidence, topic sentence. Topic sentence,
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2. 100 views
When writing your paragraph and organizing your ideas, you should begin with a ___ then write ___.* 1 point Main idea, less
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2. 106 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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2. 111 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. 1 answer
2. 85 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. 1 answer
2. 81 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. 1 answer
2. 105 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. 1 answer
2. 101 views
The graph shows the "Boom and Bust" patter of regular rises and falls in the rabbit population in South Australia. The points at
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2. 109 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. 1 answer
2. 125 views
Examine the food web below.Which of the following organisms would accumulate the highest levels of pesticide? (1 point)
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2. 91 views
This graph represents...(1 point) Responses carrying capacity carrying capacity exponential growth exponential growth logistic
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2. 74 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. 1 answer
2. 129 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. 1 answer
2. 151 views
Fire ants first arrived in the United States in 1918, probably on a ship traveling from South America to Alabama. The maps below
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2. 116 views
An example of a severe disruption to an ecosystem is(1 point)Responses repurposing a building in a downtown area. repurposing a
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2. 61 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'
1. 3 answers
2. 99 views
If you were analyzing a microscopic model of a freshwater ecosystem, what is one autotroph you might encounter?(1 point)Response
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2. 146 views
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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2. 139 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
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2. 99 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. 1 answer
2. 72 views
Chemosynthesis relies on which energy source?(1 point)Responses nuclear nuclear light light thermal thermal chemical
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2. 68 views
Do both animal and plant cells have mitochondria? Why or why not?(1 point)Responses Yes; they both need mitochondria to convert
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2. 105 views
Read the following statement and choose the option that has the respective answers in the correct order.“Chemical energy input
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2. 79 views
Which of the following is the best evidence that supports the rule that only 10% of energy is transferred from one organism to
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2. 69 views
The ultimate source of energy for most organisms is(1 point)Responses carbon dioxide carbon dioxide the sun the sun oxygen
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2. 61 views
The following diagram shows a typical food pyramid:If 100,000 kJ of energy is available to the producers, how much energy is
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2. 101 views
Use the image below to answer the question.In the image, which animal is a tertiary consumer? (1 point) Responses lion lion
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2. 93 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
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2. 92 views
What is the major difference between the position of producers and primary consumers in the food chain?(1 point)Responses
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2. 113 views
Which activity improves soil health?(1 point)Responses applying herbicides applying herbicides composting composting removing
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2. 93 views
In the image, which animal is both secondary and tertiary consumer?* Captionless Image lion jackal rabbit wildcat
1. 2 answers
2. 102 views
Why is ballistic stretching no longer recommended for preparing the body for exercise?* 5 points It is still recommended and it
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2. 119 views
Check whether each statement is describing mitosis or meiosis.(8 points)Mitosis Meiosis The type of cell division that produces
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2. 111 views
In humans, a fertilized egg contains 46 chromosomes. Which bar graph best represents the number of chromosomes contained in the
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2. 98 views
DNA contains a code for synthesizing proteins. Three nucleotides in a row code for a particular amino acid. There are four
1. 1 answer
2. 156 views
What is the term used to describe any living or nonliving things that influence another living organism?(1 point)Responses
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2. 78 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?
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2. 60 views
A tall pea plant results from a dominant tall allele while the short phenotype results from two recessive alleles. What is the
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2. 63 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. 1 answer
2. 53 views
Do mutations in body cells contribute to genetic variation?(1 point)Responses No, the causes of body cell mutations are outside
1. 1 answer
2. 93 views
How are genotypes and phenotypes related?(1 point)Responses Both determine the alleles individuals receive. Both determine the
1. 1 answer
2. 88 views
This is the original strand of DNA: ATG AAG TTT GGC TAAWhich option would represent a frameshift mutation due to deletion during
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2. 107 views
Which cell replicates via meiosis?(1 point)Responses heart cell heart cell red blood cell red blood cell skin cell skin cell
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2. 76 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. 1 answer
2. 83 views
Which statement best describes the process of crossing over?(1 point)Responses Pairs of homologous chromosomes are divided in
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2. 120 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
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2. 74 views
On which team foul do bonus rules take effect during an NBA game quarter?(1 point) Responses 3 4 5 6
1. 1 answer
2. 81 views
A scientist looks into a microscope and sees that replicated chromosome pairs are lined up in the center of a cell. The
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2. 69 views
What is the name given to the process by which a parent cell becomes two identical daughter cells?(1 point)Responses meiosis
1. 1 answer
2. 106 views
In which mitotic phase does the process of cytokinesis conclude?(1 point)Responses prophase prophase metaphase metaphase
1. 1 answer
2. 85 views
Which phase of mitosis is characterized by each pair of sister chromatids moving to opposite sides of the cell?(1 point)Response
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2. 71 views
Which stage of mitosis is characterized by microtubules pulling replicated chromosomes apart and separating them into sister
1. 2 answers
2. 76 views
How do cells respond if a complex organism is injured?(1 point)Responses Cells form a blastocyst that contributes to the healing
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2. 95 views
How do cells become specialized? (1 point)Responses Genetically identical cells undergo differentiation to alter gene
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2. 89 views
What is unique about stem cells?(1 point)Responses They are differentiated. They are differentiated. They are only found in
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2. 87 views
Which type of stem cell is able to differentiate into any cell type, including extraembryonic placental cells?(1 point)Responses
1. 1 answer
2. 83 views
In what phase of mitosis do chromosomes split into sister chromatids?(1 point)Responses prophase prophase cytokinesis
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2. 67 views
Which of the following correctly orders events during mitosis?(1 point)Responses Microtubules organize the chromosomes. The
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2. 72 views
DNA and Protein SynthesisIn the 1940s, scientists thought all genetic material was contained in structures called chromosomes
1. 1 answer
2. 108 views
DNA and Protein SynthesisIn the 1940s, scientists thought all genetic material was contained in structures called chromosomes
1. 1 answer
2. 94 views
DNA and Protein SynthesisIn the 1940s, scientists thought all genetic material was contained in structures called chromosomes
1. 1 answer
2. 102 views
DNA and Protein SynthesisIn the 1940s, scientists thought all genetic material was contained in structures called chromosomes
1. 1 answer
2. 93 views
Hox genes are regulatory genes in multicellular animals that code for transcription factors that determine the basic body plan
1. 1 answer
2. 87 views
The removal of sections of RNA, called introns, occur at which regulation step in eukaryotic cells?(1 point)Responses RNA
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2. 77 views
In prokaryotic cells, repressor proteins bind to a section of DNA called a/an(1 point)Responses repressor. repressor. operator.
1. 1 answer
2. 88 views

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