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December 2025

42,840 public questions were asked this month.

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Recent questions

Latest from December 2025

Question Compare the art of the ancient Greeks to the art of the ancient Romans. These art forms have many things in common. What is one reason for this? (1 point) Responses Roman sculpture was heavily influenced by Gree...
Asked by a 1 answer
The map shows the allele frequency of sickled hemoglobin (HbS) and malaria endemicity in Africa. mc027-1.jpg Which statement best explains the relationship between HbS allele frequency and malaria endemicity in Africa? W...
Asked by CHRIS 1 answer
Natural selection is a process by which organisms that are better adapted to their environment tend to increase in size. migrate. evolve new traits. survive.
Asked by CHRIS 1 answer
Koalas are marsupials that are found in eastern Australia. Although their ancestors lived mostly on the ground, modern koalas spend most of their time in eucalyptus trees. This is possible because their hands and feet ha...
Asked by CHRIS 1 answer
Charles Darwin observed a unique beak size and shape in the finch population of each of the Galapagos Islands that he visited. mc003-1.jpg Which is the most likely cause of the observed variation? differences in the clim...
Asked by CHRIS 1 answer
Which best describes the relationship between evolution and natural selection? Natural selection leads to evolution. Evolution leads to natural selection. Natural selection is the same as evolution. Evolution and natural...
Asked by CHRIS 1 answer
In the African savanna, more wildebeests are born than the environment can support. Which is most likely to happen over a period of years as a result? The chances for survival of the population are reduced. New food sour...
Asked by CHRIS 1 answer
Consider this image of a gazelle. mc016-1.jpg Which of the gazelle’s naturally selected traits is shown in this picture to be an evolutionary advantage? feeding only at certain times of the day coat color for blending in...
Asked by CHRIS 1 answer
You find a blog post written by a student on a university website about photosynthesis. It cites multiple peer-reviewed journals, and has several comments from other students who agree with the findings. Which is a reaso...
Asked by l 1 answer
You want to use evidence to support a claim that ATP provides the energy for various cellular activities, and this only happens because of cellular respiration. Which piece of evidence best supports your statement? (1 po...
Asked by l 1 answer
In terms of natural selection, what is the best description of an organism that is fit? The organism is physically stronger than competing organisms. The organism is physically stronger than organisms of a different spec...
Asked by CHRIS 1 answer
Which was Charles Darwin’s contribution to the study of biology? He was the first person to recognize that organisms change over time. He believed that organisms adapted through the inheritance of acquired traits. He exp...
Asked by CHRIS 1 answer
A frog has more offspring than can survive on available resources. Of which is this an example? structural adaptation overpopulation variation in a population artificial selection
Asked by CHRIS 1 answer
Identify the statement below that is true about exothermic reactions.(1 point) Responses They release heat energy to the surrounding environment. They release heat energy to the surrounding environment. They have product...
Asked by l 1 answer
How do plants and animals rearrange atoms in chemical reactions to support their functions?(1 point) Responses Plants use oxygen for photosynthesis, which animals then use for cellular respiration. Plants use oxygen for...
Asked by l 1 answer
What are the building blocks that make up proteins?(1 point) Responses starches starches amino acids amino acids lipids lipids nucleic acids nucleic acids
Asked by l 1 answer
Nucleic acids are biomolecules that are made up of nucleotides. Nucleotides contain sugar, a phosphate group, and a nitrogen base. DNA is an example of a nucleic acid. Which of the following is a nitrogen base?(1 point)...
Asked by l 1 answer
Which statements correctly analyze Nehru’s use of evidence to support his claim? Check all that apply. Nehru’s use of logical evidence, such as the need to bring opportunity to common people and the need to end poverty,...
Asked by Havon 1 answer
Which best contrasts self-renewal and differentiation? Only differentiation is a process that results from stem cell division. Only differentiation creates more of the same types of cells. Only self-renewal creates more...
Asked by CHRIS 1 answer
Which statement best compares transcription and translation? tRNA pairs with complementary mRNA in both transcription and translation. A peptide bond is created between amino acids in both transcription and translation....
Asked by CHRIS 1 answer
What role do specialized cells perform in establishing homeostasis? Specialized cells work independently to perform their specific functions. Specialized cells work only as a team to perform the functions of the body. Sp...
Asked by CHRIS 1 answer
Read the passage, then answer the question that follows. The future beckons to us. Whither do we go and what shall be our endeavour? To bring freedom and opportunity to the common man, to the peasants and workers of Indi...
Asked by Havon 1 answer
Which element is most important for adding strength to hair, feathers, and outer skin? oxygen hydrogen sulfur phosphorus
Asked by CHRIS 1 answer
In which process does RNA polymerase help synthesize mRNA from a DNA template? transcription translation translocation transportation
Asked by CHRIS 1 answer
Read the passage, then answer the questions that follow. The future beckons to us. Whither do we go and what shall be our endeavour? To bring freedom and opportunity to the common man, to the peasants and workers of Indi...
Asked by Havon 1 answer