Q: How many alleles comes from each parent? Read this paragraph and choose the correct option from the provided answers: When gametes unite during fertilization, the resulting zygote inherits two alleles for each gene. One allele comes from each parent. Choices: - none - two - three - one A:
one
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Q: The heart and a network of blood vessels that run throughout the body make up what organ system? Read this paragraph and choose the correct option from the provided answers: The organs that make up the cardiovascular system are the heart and a network of blood vessels that run throughout the body. The blood in the cardiovascular system is a liquid connective tissue. Figure below shows the heart and major vessels through which blood flows in the system. The heart is basically a pump that keeps blood moving through the blood vessels. Choices: - lymphatic system - respiratory system - immune system - cardiovascular system A:
cardiovascular system
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Q: What part of the plant anchors it into the soil? Read this paragraph and choose the correct option from the provided answers: Choices: - stems - buds - leaves - roots A:
roots
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Q: What organism is characterized by an incomplete digestive system and a single, tentacled opening? Read this paragraph and choose the correct option from the provided answers: Cnidarians have an incomplete digestive system with a single opening. The opening is surrounded by tentacles, which are covered with nematocyst cells and used to capture prey. Digestion takes place in the digestive cavity. Nutrients are absorbed and gases are exchanged through the cells lining this cavity. Fluid in the cavity supports and stiffens the cnidarian body. Choices: - annelids - prokaryotes - sponges - cnidarians A:
cnidarians
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