Archive day

December 9, 2025

2,883 public questions were asked on this day.

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Photosynthesis and cellular respiration play an important role in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere. Provide an explanation for which letter best represents the role of pho...
Asked by Sam 1 answer
Prior to the industrial revolution, increased levels of atmospheric carbon dioxide were attributed to changes in both the sun's intensity and Earth's orbit around the sun, as well as volcanic eruptions. During the last 2...
Asked by Sam 1 answer
The carbon cycle model is shown here. Certain processes in this process are considered 'fast' cycling of carbon. Which components of the carbon cycle would be classified as fast processes? Select ALL that apply. Response...
Asked by Sam 1 answer
Class Activity: Political Cartoon Have students create a political cartoon on the topic of juvenile justice and write an explanation of it. • Choose between an unruly or a delinquent behavior • Use the power point presen...
Asked by sara 1 answer
The flow of carbon and energy through a grassland ecosystem is shown in the illustration here. Assuming that the producers have 600 kg of carbon per hectare in their plant tissues, which of these statements accurately re...
Asked by Sam 1 answer
This model of the carbon cycle shows the continuous movement of carbon atoms between the biosphere, atmosphere, hydrosphere, and geosphere. Some processes store carbon while others release it. Evaluate the processes show...
Asked by Sam 1 answer
Look carefully at the model. Plants take in and release carbon dioxide. Plants require carbon dioxide for the process of Responses A condensation.condensation. B photosynthesis.photosynthesis. C respiration.respiration....
Asked by Sam 1 answer
process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes ______ from the atmosphere and produces and releases ______ to the atmosphere. Responses A glucose, oxygenglucose, oxygen B oxyg...
Asked by Sam 1 answer
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 __________. Wh...
Asked by hello 1 answer
The savanna is home to a variety of plant and animal species. Populations depend on and may compete for biotic and abiotic factors in this biome. Select ALL of the interactions between biotic factors in the savanna. Resp...
Asked by Sam 1 answer
In the 1900s, New England's harbor and gray seals were hunted to the brink of extinction due to bounty policies aimed at reducing their population. The seals began to make a slow comeback after the bounty was dropped in...
Asked by Sam 1 answer
parens patriae – the doctrine that gives the government the authority to make decisions for a child, even over the objection of parents or guardians, if it is in the child’s best interest • perpetrator – a person who com...
Asked by sara 1 answer
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 evid...
Asked by hello 1 answer
Resource availability affects populations of organisms in an ecosystem. Other factors such as predators, disease, and weather can also cause changes to populations as well. Evaluate the graph showing the population of mo...
Asked by Sam 1 answer
Match each term with its correct definition/description. (5 points) Put responses in the correct response input area to answer the question. Select a response, navigate to the desired input area and insert the response....
Asked by no name 1 answer
Human activity has had a significant impact on the carbon cycle as it relates to the ocean. Activities such as combustion of fossil fuels and land use changes have led to a new flux of CO2 into the atmosphere. The increa...
Asked by Sam 1 answer
Imagine a marked increase in dissolved carbon dioxide in warm shallow waters, where coral reefs exist. How could the increase in dissolved carbon dioxide MOST LIKELY affect the diversity of this ecosystem? Responses A So...
Asked by Sam 1 answer
A marine ecosystem off the California coast consists of leatherback turtles that feed on jellyfish, and killer whales that prey on the leatherback turtles. Habitat loss and fishing have been identified as the main reason...
Asked by Sam 1 answer
In regions that receive significant amounts of acid rain, periphytic algae are observed coating rocks, plants, and other submerged objects in lakes and ponds. What role does acid rain play in the increased population of...
Asked by Sam 1 answer
Most populations, like the rabbit population represented here, are stable over time. In this model we can imagine an increase in the death rate, followed by a decrease in birth rate. What is another factor we could intro...
Asked by Sam 1 answer
A model of a hypothetical rabbit population can be seen. In this case there is plenty of food and the rabbit population thrives, reproduces, and grows. Over time though, the death rate increases and the population decrea...
Asked by Sam 1 answer
Over the years, the forest cover in a particular ecosystem was reduced from about 50% to 20%. What would be the MOST LIKELY effect of this? Responses A The loss of moisture from the soil would be reduced.The loss of mois...
Asked by Sam 1 answer
9. Word Bank: [nucleus, cytoplasm, cell membrane, cell wall, chloroplast, lysosome, mitochondria] The ________ stores DNA and directs cell activities. The ________ provides structure and support in plant cells. The _____...
Asked by A 1 answer
8. Which organelle contains the cell’s genetic material? A. Cytoplasm B. Nucleus C. Lysosome D. Cell wall
Asked by A 1 answer
Objectives • The student will become familiar with basic vocabulary terms associated with the legal system; • The student will explain the difficulty of pinpointing an age for “adulthood” and why it is important for juve...
Asked by sara 1 answer