Ques:Q: What are two nonliving things that all living things need for survival? Read this paragraph and choose the correct option from the provided answers: Choices: - sunlight - calcium - methane - water and air A:

Ans:water and air
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Ques:Q: Which body organ filters the blood in the body and creates urine? Read this paragraph and choose the correct option from the provided answers: The kidneys help the body maintain homeostasis in several ways. They filter all the blood in the body many times each day and produce urine. They control the amount of water and dissolved substances in the blood by excreting more or less of them in urine. Choices: - intestines - liver - the arteries - the kidneys A:

Ans:the kidneys
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Ques:Q: What part of a chromosome exists in different states of condensation at different times? Read this paragraph and choose the correct option from the provided answers: Choices: - centromeres - pellicle - chromonema - the chromatin A:

Ans:the chromatin
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Ques:Q: What occurs when a parent organism breaks into fragments, or pieces, and each fragment develops into a new organism? Read this paragraph and choose the correct option from the provided answers: Fragmentation occurs when a parent organism breaks into fragments, or pieces, and each fragment develops into a new organism. Starfish, like the one in Figure below , reproduce this way. A new starfish can develop from a single ray, or arm. Starfish, however, are also capable of sexual reproduction. Choices: - erosion - absorption - sollution - fragmentation A:

Ans:
fragmentation
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