Q: Influenza virus is packaged in a viral envelope, which fuses with the what? Choices: - nucleus - cell wall - bacteria - plasma membrane A:
plasma membrane

Q: What organ senses sound? Choices: - teeth - brain - eyes - ear A:
ear

Q: Q: The loss of oxygen to the heart muscle causes that part of the tissue to what? Choices: - beat harder - thrive - beat erratically - die A:
A: die

Question: Q: Induced mutations are caused by environmental factors. what term is used to describe a mutation that has no environmental cause? Choices: - cancerous mutation - evident mutation - numerous mutation - spontaneous mutation A:
Answer: spontaneous mutation

*Question*
Q: What is said to occur when both traits appear in a heterozygous offspring? Choices: - identical twins - pollenation - xenophobia - codominance A:
**Answer**
codominance

Q: Q: How many digits do primates have on each extremity? Choices: - ten - four - three - five A:
A: five