Ques:Q: Hagfishes have a skull made of what? Choices: - gelatin - chitin - bone - cartilage A:

Ans:cartilage
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Ques:Q: Terrestrial ecosystems, also known for their diversity, are grouped into large categories called what? Choices: - bisomes - monomes - substrates - biomes A:

Ans:biomes
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Ques:Q: What is the scientific term for the act of eating or feeding? Choices: - secretion - excretion - swallowing - ingestion A:

Ans:ingestion
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Ques:Q: Water infiltrates the ground because soil and rock may have air spaces between the grains. these pores, or tiny holes, result in the rock's what? Choices: - sheen - energy - shine - porosity A:

Ans:
porosity
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