Questions and answers by

Sunshine

Questions (924)

How are the terms homozygous and heterozygous different?Responses Homozygous describes having two of the same allele for a
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What is the main benefit of genetic biodiversity?Responses Genetic biodiversity helps populations avoid predators. Genetic
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What is an allele?Responses a form of a gene a form of a gene the trait a gene controls the trait a gene controls the location
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Which statement about genetic material is correct?Responses Genes encode deoxyribonucleic acid. Genes encode deoxyribonucleic
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What is the main function of camouflage?Responses Camouflage helps organisms find mates. Camouflage helps organisms find mates.
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Three plants are grown in the same environmental conditions with equal sunlight, water, and space to grow. One plant grew to
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Which statement is an example of a beneficial mutation?Responses A fawn in the forest has a mutation that causes its fur color
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What is a phenotype of an organism?Responses a structure that carries genetic information a structure that carries genetic
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Which statement is true of all proteins?Responses Their structure is related to their function. Their structure is related to
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Which statement is true of all proteins?Responses Their structure is related to their function. Their structure is related to
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Asexual reproduction results in two organisms withResponses the same DNA. the same DNA. different DNA. different DNA. different
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Something that potatoes and bacteria have in common is that they both reproduceResponses via vegetative reproduction. via
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Hydras are animals related to coral and jellyfish. Hydras can reproduce sexually or asexually. Why would hydras avoid
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Which organism can reproduce both sexually and asexually?Responses protist protist starfish starfish dog dog sandhill crane
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Of the following traits, which one is inherited?Responses reading reading riding a bike riding a bike writing writing eye color
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Which is the most likely explanation for a child exhibiting a heritable trait that neither parent exhibits?Responses The trait
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In which type of reproduction do offspring form on the surface of the parent?Responses vegetative reproduction vegetative
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The process by which a modified stem or root of a parent plant grows offspring that remain attached is called
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Many plants can reproduce both sexually and asexually. Which statement below best describes why one method might be more
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Which process would lead to offspring with the exact same genetic information as the parent?Responses A bird laying an egg. A
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In which form of reproduction does the offspring grow specifically from the stem or root of a plant?Responses budding budding
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Of the following traits, which one is acquired (i.e., not inherited)?Responses eye shape eye shape number and presence of
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A parent bacterial cell is able to survive in the presence of the antibiotic penicillin. Subsequent generations from this parent
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A mother cat is a calico, with orange, black, and white fur. She has three kittens—an orange female, a black and orange
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Some flatworms reproduce through fragmentation. What is a disadvantage of this method?Responses It is a very slow process
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Select the statement that is true.Responses Asexual reproduction occurs when two gametes fuse. Asexual reproduction occurs when
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Which of the following is the overall goal of all territorial behavior?Responses to maintain access to a particular type of
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Birds use courtship behaviors to attract a mate, which improves their reproductive success. Which courtship behavior also
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A student is analyzing data that compare the change in the total number of wading bird nests in the Everglades to the change in
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Scientists often rely on _____ as evidence when looking at an animal’s reproductive success.Responses reasoning reasoning
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Specialization can be both limiting and beneficial. How would a plant species benefit from a pollinator that only visits the
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How does hibernation help animals survive?Responses Hibernation reduces the energy required for survival. Hibernation reduces
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Flies are scavengers and tend to break down dead organisms. Based on this information, what is a plant characteristic that would
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Which behavior is both territorial and used for courtship?Responses baring teeth as a sign of aggression baring teeth as a sign
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You notice a plant in your front yard. The plant’s flowers are bright red and tube shaped. Upon closer inspection, you realize
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What is a difference between how ants and elephants primarily use grouping for survival?Responses Ants use grouping for better
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Which statement is true?Responses Both ladybugs and humans expend energy and time to care for their offspring. Both ladybugs and
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Why do courtship behaviors usually happen in response to seasonal changes?Responses to ensure that mating does not interfere
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How is homeostasis achieved?Responses Cells secrete stomach enzymes. Cells secrete stomach enzymes. Cells control voluntary
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What is the function of an organ system?Responses to control movement in internal organs to control movement in internal organs
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Which organ in the excretory system has a function similar to that of the esophagus in the digestive system?Responses urethra
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How are blood cells and stomach cells similar?Responses Both help maintain homeostasis. Both help maintain homeostasis. Both
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Which example shows an organism that cannot reach homeostasis through internal changes?Responses Circulation decreases in a bird
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Which organ in the excretory system filters blood?Responses bladder bladder ureter ureter urethra urethra kidney
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What is systemic circulation?Responses the path of blood between the heart and lungs the path of blood between the heart and
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Which component of nerve cells contains the nucleus?Responses axon axon dendrite dendrite neuron neuron cell body
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Which statement is true?Responses Bones are composed of a single layer. Bones are composed of a single layer. Bones provide
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What is the term for changes in the internal or external environment that cause a response?Responses messages messages signals
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messagesmessages signals signals nerves nerves stimuli
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Which organ of the respiratory system is located inside the lungs?Responses larynx larynx trachea trachea bronchioles
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A girl has her eyes shut and is standing inside a brightly lit room. What happens to her pupils when she opens her eyes? Why?Res
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How do polar bears maintain homeostasis in freezing cold weather?Responses Their thick fur retains heat. Their thick fur retains
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Which is most complex?Responses organs organs cells cells tissues tissues organ system
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The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?Responses
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How are muscle cells and bone cells similar?Responses Both gather information from inside and outside the body. Both gather
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How do signals from sensory neurons reach motor neurons?Responses Signals move from dendrite to dendrite towards motor neurons.
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Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?Respons
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Which cells carry nutrients from food to the rest of the cells in the body?Responses stomach cells stomach cells blood cells
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During which stage of the cell cycle does cell division occur?Responses mitosis mitosis interphase interphase quiescence
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Which function is due to specialized cells found only in plants?Responses carrying oxygen to other cells carrying oxygen to
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Which statement is correct about the function of a pseudopod?Responses It helps multicellular organisms reproduce. It helps
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A student claims that, according to cell theory, the cell is the basic unit of life, and all cells are created spontaneously. Is
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Unicellular cells must carry out ___ of life.Responses specific functions specific functions a single function a single function
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Plant cells can use energy from the sun to make food. Animal cells cannot. Which organelle is responsible for this difference
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What is the function of a nerve cell in a multicellular organism?Responses carry and transmit signals carry and transmit signals
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What is the function of the plasma membrane?Responses It contains hereditary material. It contains hereditary material. It helps
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What made the discovery of cells possible?Responses the invention of the microscope the invention of the microscope the use of
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Which organelle functions as the control center of the cell?Responses nucleus nucleus mitochondrion mitochondrion endoplasmic
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QuestionWhich organelle processes sugar? Responses nucleus nucleus endoplasmic reticulum endoplasmic reticulum mitochondrion
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If a particular cell is known to be round and incapable of producing its own food, which one of these organelles would you
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QuestionOf these things in an environment, which one is a living thing? Responses soil (clay) soil (clay) fungus (mushroom)
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How are leaf cells and root cells different?Responses Leaf cells have chloroplasts, but root cells do not. Leaf cells have
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Of the five characteristics of living things, which one is required for the species to survive but does not have to apply to an
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QuestionWhich specialized cell is responsible for feeling heat? Responses hair cell hair cell neuron neuron fat cell fat cell
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Which sentence correctly describes the differences between plant and animal cells in regards to cell walls and plasma membranes?
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A student claims that viruses are alive because they have genetic material and can reproduce. Is this student’s claim correct?
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QuestionWhich statement about plasma membranes is correct? Responses Both plant cells and animal cells have flexible plasma
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Cells Unit Test (unit 2, semester A)1 of 201 of 20 Items Question Which statement about multicellular organisms is correct?
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According to the article, why do Claudia Sheinbaum's allies believe she is well qualified to make progress on many of the issues
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This article would be most useful as a source for a student research project on __________.political leaders who strive to
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Which is the closest antonym for the word buoyant, as it is used in the article?engaged solemn confused rowdy
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Based on the article, the reader can infer that __________.Claudia Sheinbaum decided to pursue a career in public service to
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Based on information in the article, which of these happened after Claudia Sheinbaum was elected to lead Mexico City's Tlalpan
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Which of these is most important to include in a summary of this article?Claudia Sheinbaum is a climate scientist and the first
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Write 5.4 as a mixed number and as an improper fraction.Write your answers in simplest form.
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Write 4.75 as a mixed number and as an improper fraction.Write your answers in simplest form.
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Write as a mixed number and as an improper fraction.Write your answers in simplest form.
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Write 1.5 as a mixed number and as an improper fraction.Write your answers in simplest form.
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Estimate a 5% tip on a dinner bill of $67.22 by first rounding the bill amount to the nearest ten dollars.
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Estimate a 15% tip on a dinner bill of $38.41 by first rounding the bill amount to the nearest ten dollars.
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An item on sale costs 70% of the original price. The original price was $26 .Use the ALEKS calculator to find the sale price.
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An item is regularly priced at $77. It is now priced at a discount of 45% off the regular price.Use the ALEKS calculator to find
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The price of an item has been reduced by 75% . The original price was $55.Use the ALEKS calculator to find the price of the item
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The circle graph shows how a family budgets its annual income. If the total annual income is $95,000, what amount is budgeted
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Eric deposits $6000 into an account that pays simple interest at a rate of 2% per year. How much interest will he be paid in the
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Eric deposits $800 into an account that pays simple interest at a rate of 3% per year. How much interest will he be paid in the
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Eric deposits $5000 into an account that pays simple interest at a rate of 4% per year. How much interest will he be paid in the
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Round 8.52 to the nearest whole number
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Round 6.141 to the nearest tenth
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Round 0.743 to the nearest hundredth
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