Question
) A student is investigating how different body systems work together to maintain homeostasis. The student finds that after eating a meal, the digestive system breaks down food into nutrients, and the circulatory system transports these nutrients to cells.
Which additional body system is directly involved in maintaining homeostasis in this process, and what is its role?
(5 Points)
The nervous system, which directs the movement of food through the digestive tract.
The respiratory system, which absorbs nutrients from the food.
The excretory system, which transports nutrients through the bloodstream.
The integumentary system, which stores nutrients for later use.
11.(7.LS1.5) During exercise, the body must regulate its internal conditions to maintain homeostasis. Which statement best explains how multiple organ systems work together to achieve this?
(5 Points)
The respiratory system increases oxygen intake, the circulatory system transports oxygen to muscles, and the excretory system removes carbon dioxide.
The digestive system increases nutrient absorption, the integumentary system stores oxygen, and the nervous system pumps blood.
The circulatory system absorbs oxygen, the digestive system removes carbon dioxide, and the nervous system transports nutrients.
The excretory system breaks down food, the musculoskeletal system filters blood, and the integumentary system moves oxygen.
12.(7.LS1.6) A researcher observes two populations of the same bird species living in different environments.
Population A lives in a dense forest and has darker feathers.
Population B lives in an open grassland and has lighter feathers.
Both populations hunt insects by perching on branches and watching for movement.
Which argument best explains how these differences in feather color affect survival and reproductive success?
(5 Points)
Birds with darker feathers in the forest are less visible to predators, increasing their chances of survival and reproduction.
Birds with lighter feathers in the forest survive better because they reflect more sunlight and stay cooler.
Birds with darker feathers in the grassland blend in better with their surroundings, making them more likely to catch prey.
Birds with different feather colors do not gain any survival advantage from their environment.
13.(7.LS1.6) A group of scientists is studying how desert plants survive in extreme conditions. They compare two plant species:
Plant X has deep roots and thick, waxy leaves.
Plant Y has shallow roots and thin leaves.
Which claim is best supported by scientific reasoning?
(5 Points)
Plant Y is better adapted to the desert because its thin leaves allow it to absorb more sunlight.
Plant X is better adapted to the desert because its deep roots reach underground water, and its waxy leaves prevent water loss.
Both plants are equally adapted to the desert because all plants need sunlight to survive.
Plant Y is better adapted because its shallow roots collect rainwater quickly.
14.(7.LS1.7) A scientist is studying two populations of bacteria.
Population A reproduces asexually by binary fission.
Population B reproduces sexually through the exchange of genetic material.
The scientist exposes both populations to an antibiotic.
After several generations, Population B shows more resistance to the antibiotic than Population A.
Which statement best explains this difference?
(5 Points)
Sexual reproduction produces genetically identical offspring, making Population B more resistant.
Asexual reproduction allows bacteria to mutate, making Population A more resistant.
Sexual reproduction creates genetic variation, increasing the chances of resistance in Population B.
Asexual reproduction results in stronger individuals, giving Population A an advantage.
15.(7.LS1.7) A farmer is deciding whether to plant crops that reproduce sexually through seeds or asexually through cloning. The farmer wants to ensure that the crops survive changing weather conditions.
Which argument best supports the use of sexually reproducing plants?
(5 Points)
Sexually reproducing plants produce identical offspring, making them more adaptable to changing conditions.
Asexually reproducing plants create genetic variation, increasing their ability to survive extreme weather.
Sexual reproduction increases genetic diversity, allowing some plants to survive environmental changes.
Asexual reproduction takes longer, making it better for long-term survival.
16.(7.LS1.8) A scientist is studying how mitosis helps organisms grow and repair damage. She observes the following events in a sample of skin cells:
A cut forms on the surface of the skin.
Neighboring cells begin to divide and produce new cells.
The new cells fill in the damaged area.
Which statement best explains how mitosis contributes to this process?
(5 Points)
Mitosis produces genetically identical cells, replacing damaged ones and restoring tissue function.
Mitosis creates genetically different cells, allowing the organism to adapt to the injury.
Mitosis removes damaged cells and does not produce new cells.
Mitosis only occurs when an organism stops growing, so it does not contribute to tissue repair.
17.(7.LS1.9) A scientist conducts an experiment to measure the amount of oxygen produced by a plant under different light conditions. She records the following observations:
Bright light: The plant produces a high amount of oxygen.
Dim light: The plant produces a lower amount of oxygen.
No light: The plant stops producing oxygen.
Based on this data, which conclusion best explains the relationship between photosynthesis and cellular respiration?
(5 Points)
Photosynthesis requires light to produce oxygen, which is then used by organisms for cellular respiration.
Cellular respiration occurs only when light is present because it depends on photosynthesis.
Photosynthesis and cellular respiration are the same process and occur at the same time.
Plants do not perform cellular respiration because they only make energy through photosynthesis.
18.(7.LS2.1) A student is developing a model of the carbon and oxygen cycles in an ecosystem. The model includes the following processes:
Plants take in carbon dioxide and release oxygen through photosynthesis.
Animals take in oxygen and release carbon dioxide through cellular respiration.
Decomposers break down dead organisms, releasing carbon back into the soil and atmosphere.
Fossil fuels are burned, releasing additional carbon dioxide into the atmosphere.
Based on this model, which argument best explains how matter cycles while energy flows in an ecosystem?
(5 Points)
Carbon and oxygen continuously cycle through living and nonliving parts of the ecosystem, while energy flows in one direction from the Sun to organisms.
Carbon and oxygen flow in only one direction, just like energy, because they are used up by organisms.
Energy and matter both cycle endlessly in ecosystems without any loss.
Carbon and oxygen are only cycled by animals, while plants store energy permanently.
19.(7.LS3.1) A population of rabbits lives in a snowy environment. Most of the rabbits have white fur, but a mutation causes some rabbits to be born with brown fur. Over several generations, scientists observe that the number of brown-furred rabbits decreases.
Which hypothesis best explains the effect of this mutation on the rabbit population?
(5 Points)
The brown fur mutation was beneficial because it helped the rabbits blend into their environment.
The brown fur mutation was harmful because it made the rabbits more visible to predators, decreasing their survival.
The brown fur mutation had a neutral effect because it did not change the number of brown rabbits over time.
The brown fur mutation caused all rabbits to become brown, showing that mutations always spread in a population.
20.(7.LS3.2) A scientist is comparing two types of cell division: mitosis and meiosis. She observes that mitosis results in two daughter cells, while meiosis results in four daughter cells. Additionally, she notices that the cells produced by meiosis contain half the number of chromosomes compared to the original cell.
Which statement best explains the difference between mitosis and meiosis?
(5 Points)
Mitosis creates four genetically identical daughter cells, while meiosis creates two genetically identical daughter cells.
Mitosis creates two genetically identical daughter cells, while meiosis creates four genetically diverse daughter cells with half the chromosome number.
Mitosis and meiosis both create four genetically identical daughter cells, but meiosis produces cells with half the chromosome number.
Mitosis creates four genetically diverse daughter cells, while meiosis creates two genetically identical daughter cells.
21.(7.LS3.3) In a family, the trait for flower color in a plant is determined by a single gene with two alleles:
P (Purple) is dominant,
p (white) is recessive.
A plant with the genotype Pp is crossed with a plant that has the genotype pp.
What is the probability that the offspring will have purple flowers?
(5 Points)
25%
50%
75%
100%
Which additional body system is directly involved in maintaining homeostasis in this process, and what is its role?
(5 Points)
The nervous system, which directs the movement of food through the digestive tract.
The respiratory system, which absorbs nutrients from the food.
The excretory system, which transports nutrients through the bloodstream.
The integumentary system, which stores nutrients for later use.
11.(7.LS1.5) During exercise, the body must regulate its internal conditions to maintain homeostasis. Which statement best explains how multiple organ systems work together to achieve this?
(5 Points)
The respiratory system increases oxygen intake, the circulatory system transports oxygen to muscles, and the excretory system removes carbon dioxide.
The digestive system increases nutrient absorption, the integumentary system stores oxygen, and the nervous system pumps blood.
The circulatory system absorbs oxygen, the digestive system removes carbon dioxide, and the nervous system transports nutrients.
The excretory system breaks down food, the musculoskeletal system filters blood, and the integumentary system moves oxygen.
12.(7.LS1.6) A researcher observes two populations of the same bird species living in different environments.
Population A lives in a dense forest and has darker feathers.
Population B lives in an open grassland and has lighter feathers.
Both populations hunt insects by perching on branches and watching for movement.
Which argument best explains how these differences in feather color affect survival and reproductive success?
(5 Points)
Birds with darker feathers in the forest are less visible to predators, increasing their chances of survival and reproduction.
Birds with lighter feathers in the forest survive better because they reflect more sunlight and stay cooler.
Birds with darker feathers in the grassland blend in better with their surroundings, making them more likely to catch prey.
Birds with different feather colors do not gain any survival advantage from their environment.
13.(7.LS1.6) A group of scientists is studying how desert plants survive in extreme conditions. They compare two plant species:
Plant X has deep roots and thick, waxy leaves.
Plant Y has shallow roots and thin leaves.
Which claim is best supported by scientific reasoning?
(5 Points)
Plant Y is better adapted to the desert because its thin leaves allow it to absorb more sunlight.
Plant X is better adapted to the desert because its deep roots reach underground water, and its waxy leaves prevent water loss.
Both plants are equally adapted to the desert because all plants need sunlight to survive.
Plant Y is better adapted because its shallow roots collect rainwater quickly.
14.(7.LS1.7) A scientist is studying two populations of bacteria.
Population A reproduces asexually by binary fission.
Population B reproduces sexually through the exchange of genetic material.
The scientist exposes both populations to an antibiotic.
After several generations, Population B shows more resistance to the antibiotic than Population A.
Which statement best explains this difference?
(5 Points)
Sexual reproduction produces genetically identical offspring, making Population B more resistant.
Asexual reproduction allows bacteria to mutate, making Population A more resistant.
Sexual reproduction creates genetic variation, increasing the chances of resistance in Population B.
Asexual reproduction results in stronger individuals, giving Population A an advantage.
15.(7.LS1.7) A farmer is deciding whether to plant crops that reproduce sexually through seeds or asexually through cloning. The farmer wants to ensure that the crops survive changing weather conditions.
Which argument best supports the use of sexually reproducing plants?
(5 Points)
Sexually reproducing plants produce identical offspring, making them more adaptable to changing conditions.
Asexually reproducing plants create genetic variation, increasing their ability to survive extreme weather.
Sexual reproduction increases genetic diversity, allowing some plants to survive environmental changes.
Asexual reproduction takes longer, making it better for long-term survival.
16.(7.LS1.8) A scientist is studying how mitosis helps organisms grow and repair damage. She observes the following events in a sample of skin cells:
A cut forms on the surface of the skin.
Neighboring cells begin to divide and produce new cells.
The new cells fill in the damaged area.
Which statement best explains how mitosis contributes to this process?
(5 Points)
Mitosis produces genetically identical cells, replacing damaged ones and restoring tissue function.
Mitosis creates genetically different cells, allowing the organism to adapt to the injury.
Mitosis removes damaged cells and does not produce new cells.
Mitosis only occurs when an organism stops growing, so it does not contribute to tissue repair.
17.(7.LS1.9) A scientist conducts an experiment to measure the amount of oxygen produced by a plant under different light conditions. She records the following observations:
Bright light: The plant produces a high amount of oxygen.
Dim light: The plant produces a lower amount of oxygen.
No light: The plant stops producing oxygen.
Based on this data, which conclusion best explains the relationship between photosynthesis and cellular respiration?
(5 Points)
Photosynthesis requires light to produce oxygen, which is then used by organisms for cellular respiration.
Cellular respiration occurs only when light is present because it depends on photosynthesis.
Photosynthesis and cellular respiration are the same process and occur at the same time.
Plants do not perform cellular respiration because they only make energy through photosynthesis.
18.(7.LS2.1) A student is developing a model of the carbon and oxygen cycles in an ecosystem. The model includes the following processes:
Plants take in carbon dioxide and release oxygen through photosynthesis.
Animals take in oxygen and release carbon dioxide through cellular respiration.
Decomposers break down dead organisms, releasing carbon back into the soil and atmosphere.
Fossil fuels are burned, releasing additional carbon dioxide into the atmosphere.
Based on this model, which argument best explains how matter cycles while energy flows in an ecosystem?
(5 Points)
Carbon and oxygen continuously cycle through living and nonliving parts of the ecosystem, while energy flows in one direction from the Sun to organisms.
Carbon and oxygen flow in only one direction, just like energy, because they are used up by organisms.
Energy and matter both cycle endlessly in ecosystems without any loss.
Carbon and oxygen are only cycled by animals, while plants store energy permanently.
19.(7.LS3.1) A population of rabbits lives in a snowy environment. Most of the rabbits have white fur, but a mutation causes some rabbits to be born with brown fur. Over several generations, scientists observe that the number of brown-furred rabbits decreases.
Which hypothesis best explains the effect of this mutation on the rabbit population?
(5 Points)
The brown fur mutation was beneficial because it helped the rabbits blend into their environment.
The brown fur mutation was harmful because it made the rabbits more visible to predators, decreasing their survival.
The brown fur mutation had a neutral effect because it did not change the number of brown rabbits over time.
The brown fur mutation caused all rabbits to become brown, showing that mutations always spread in a population.
20.(7.LS3.2) A scientist is comparing two types of cell division: mitosis and meiosis. She observes that mitosis results in two daughter cells, while meiosis results in four daughter cells. Additionally, she notices that the cells produced by meiosis contain half the number of chromosomes compared to the original cell.
Which statement best explains the difference between mitosis and meiosis?
(5 Points)
Mitosis creates four genetically identical daughter cells, while meiosis creates two genetically identical daughter cells.
Mitosis creates two genetically identical daughter cells, while meiosis creates four genetically diverse daughter cells with half the chromosome number.
Mitosis and meiosis both create four genetically identical daughter cells, but meiosis produces cells with half the chromosome number.
Mitosis creates four genetically diverse daughter cells, while meiosis creates two genetically identical daughter cells.
21.(7.LS3.3) In a family, the trait for flower color in a plant is determined by a single gene with two alleles:
P (Purple) is dominant,
p (white) is recessive.
A plant with the genotype Pp is crossed with a plant that has the genotype pp.
What is the probability that the offspring will have purple flowers?
(5 Points)
25%
50%
75%
100%
Answers
GPT-4o mini
Here are the answers to the questions provided:
1. **Which additional body system is directly involved in maintaining homeostasis in this process, and what is its role?**
- **Answer:** The nervous system, which directs the movement of food through the digestive tract.
2. **Which statement best explains how multiple organ systems work together to achieve this?**
- **Answer:** The respiratory system increases oxygen intake, the circulatory system transports oxygen to muscles, and the excretory system removes carbon dioxide.
3. **Which argument best explains how these differences in feather color affect survival and reproductive success?**
- **Answer:** Birds with darker feathers in the forest are less visible to predators, increasing their chances of survival and reproduction.
4. **Which claim is best supported by scientific reasoning?**
- **Answer:** Plant X is better adapted to the desert because its deep roots reach underground water, and its waxy leaves prevent water loss.
5. **Which statement best explains this difference?**
- **Answer:** Sexual reproduction creates genetic variation, increasing the chances of resistance in Population B.
6. **Which argument best supports the use of sexually reproducing plants?**
- **Answer:** Sexual reproduction increases genetic diversity, allowing some plants to survive environmental changes.
7. **Which statement best explains how mitosis contributes to this process?**
- **Answer:** Mitosis produces genetically identical cells, replacing damaged ones and restoring tissue function.
8. **Which conclusion best explains the relationship between photosynthesis and cellular respiration?**
- **Answer:** Photosynthesis requires light to produce oxygen, which is then used by organisms for cellular respiration.
9. **Which argument best explains how matter cycles while energy flows in an ecosystem?**
- **Answer:** Carbon and oxygen continuously cycle through living and nonliving parts of the ecosystem, while energy flows in one direction from the Sun to organisms.
10. **Which hypothesis best explains the effect of this mutation on the rabbit population?**
- **Answer:** The brown fur mutation was harmful because it made the rabbits more visible to predators, decreasing their survival.
11. **Which statement best explains the difference between mitosis and meiosis?**
- **Answer:** Mitosis creates two genetically identical daughter cells, while meiosis creates four genetically diverse daughter cells with half the chromosome number.
12. **What is the probability that the offspring will have purple flowers?**
- **Answer:** 50%
Feel free to ask if you need further explanations on any of these topics!
1. **Which additional body system is directly involved in maintaining homeostasis in this process, and what is its role?**
- **Answer:** The nervous system, which directs the movement of food through the digestive tract.
2. **Which statement best explains how multiple organ systems work together to achieve this?**
- **Answer:** The respiratory system increases oxygen intake, the circulatory system transports oxygen to muscles, and the excretory system removes carbon dioxide.
3. **Which argument best explains how these differences in feather color affect survival and reproductive success?**
- **Answer:** Birds with darker feathers in the forest are less visible to predators, increasing their chances of survival and reproduction.
4. **Which claim is best supported by scientific reasoning?**
- **Answer:** Plant X is better adapted to the desert because its deep roots reach underground water, and its waxy leaves prevent water loss.
5. **Which statement best explains this difference?**
- **Answer:** Sexual reproduction creates genetic variation, increasing the chances of resistance in Population B.
6. **Which argument best supports the use of sexually reproducing plants?**
- **Answer:** Sexual reproduction increases genetic diversity, allowing some plants to survive environmental changes.
7. **Which statement best explains how mitosis contributes to this process?**
- **Answer:** Mitosis produces genetically identical cells, replacing damaged ones and restoring tissue function.
8. **Which conclusion best explains the relationship between photosynthesis and cellular respiration?**
- **Answer:** Photosynthesis requires light to produce oxygen, which is then used by organisms for cellular respiration.
9. **Which argument best explains how matter cycles while energy flows in an ecosystem?**
- **Answer:** Carbon and oxygen continuously cycle through living and nonliving parts of the ecosystem, while energy flows in one direction from the Sun to organisms.
10. **Which hypothesis best explains the effect of this mutation on the rabbit population?**
- **Answer:** The brown fur mutation was harmful because it made the rabbits more visible to predators, decreasing their survival.
11. **Which statement best explains the difference between mitosis and meiosis?**
- **Answer:** Mitosis creates two genetically identical daughter cells, while meiosis creates four genetically diverse daughter cells with half the chromosome number.
12. **What is the probability that the offspring will have purple flowers?**
- **Answer:** 50%
Feel free to ask if you need further explanations on any of these topics!