Q: What can be described as a tiny male gametophyte enclosed in a tough capsule? Read this paragraph and choose the correct option from the provided answers: A grain of pollen is a tiny male gametophyte enclosed in a tough capsule (see Figure below ). It carries sperm to an ovule while preventing it from drying out. Pollen grains can't swim, but they are very light, so the wind can carry them. Therefore, they can travel through air instead of water. Choices: - seed - cell - dna - grain of pollen A:
grain of pollen
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Q: What happens when an increase in temperature of a gas in a rigid container happens? Read this paragraph and choose the correct option from the provided answers: An increase in temperature of a gas in a rigid container increases the pressure. Choices: - gas explodes - pressure decreases - container shrinks - pressure increases A:
pressure increases
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Q: What type of bounded nucleus do protists have? Read this paragraph and choose the correct option from the provided answers: Choices: - Mitochondrion - Endoplasmic reticulum - Ribosomes - membrane A:
membrane
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Q: What kind of mountainous formation can often be found near trenches? Read this paragraph and choose the correct option from the provided answers: deep sea trenches : Trenches are found in the sea. Some are near the edges of continents. Trenches are found near chains of active volcanoes. An example is the line of the very deepest blue, off of western South America. Choices: - earthquakes - caves - craters - volcanoes A:
volcanoes
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