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Biology 112 Exam 4-Marvin Latest Update Graded A+
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Biology 112 Exam 4-Marvin Latest Update Graded A+ What process do plants use to convert sunlight into chemical energy? Plants use photosynthesis to convert sunlight into chemical energy in the form of glucose. How do herbivores obtain energy from plants? Herbivores obtain energy by consu...

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  • October 5, 2024
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  • 2024/2025
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  • biology 112 exam 4 marvin latest update graded a

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Biology 112 Exam 4-Marvin Latest
Update Graded A+
What process do plants use to convert sunlight into chemical energy?


✔✔Plants use photosynthesis to convert sunlight into chemical energy in the form of glucose.




How do herbivores obtain energy from plants?


✔✔Herbivores obtain energy by consuming plant material, breaking it down in their digestive

systems to extract nutrients.




What role do decomposers play in an ecosystem?


✔✔Decomposers break down dead organic matter, recycling nutrients back into the soil for use

by producers.




How does the structure of a neuron facilitate its function?


✔✔The structure of a neuron, with its dendrites, cell body, and axon, allows for efficient

transmission of electrical signals.




What is the significance of the cell membrane's selective permeability?


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,✔✔Selective permeability allows the cell membrane to regulate the movement of substances in

and out of the cell, maintaining homeostasis.




How do osmotic pressure and diffusion contribute to cell function?


✔✔Osmotic pressure and diffusion help regulate the movement of water and solutes across the

cell membrane, ensuring proper cellular function.




What is the function of the skeletal system in vertebrates?


✔✔The skeletal system provides structural support, protects vital organs, and facilitates

movement in conjunction with muscles.




How do antibiotics work to combat bacterial infections?


✔✔Antibiotics inhibit bacterial growth or kill bacteria, allowing the immune system to eliminate

the infection.




What is the role of the pancreas in regulating blood sugar levels?


✔✔The pancreas produces insulin and glucagon, hormones that help regulate blood sugar levels

in the body.




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, How does genetic drift differ from natural selection?


✔✔Genetic drift is a random change in allele frequencies within a population, while natural

selection is a process that favors certain traits based on their adaptive value.




What is the purpose of meiosis in sexual reproduction?


✔✔Meiosis reduces the chromosome number by half, producing gametes that can combine

during fertilization.




How does climate change impact biodiversity?


✔✔Climate change alters habitats and environmental conditions, potentially leading to species

extinction and loss of biodiversity.




What are the main components of an ecosystem?


✔✔An ecosystem consists of living organisms (biotic factors) and non-living elements (abiotic

factors) interacting in a specific environment.




What is the function of the endocrine system?


✔✔The endocrine system regulates bodily functions through hormones, affecting growth,

metabolism, and reproduction.

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