Q: What are essential for pollination, but can spread disease and destroy crops? Choices: - fruits - spiders - mice - insects A:
insects

Q: The neck of the uterus, called the cervix, opens into what? Choices: - bladder - testicle - retina - vagina A:
vagina

Q: Q: What does a theory need to be supported by? Choices: - facts - peer reviewed journals - scientists - many observations A:
A: many observations

Question: Q: What is a double membrane of the nucleus that encloses the genetic material? Choices: - the complex envelope - the cell wall - the nuclear compression - the nuclear envelope A:
Answer: the nuclear envelope

*Question*
Q: What ancestors did caecillians evolve from? Choices: - ornithopod - arthropod - hominid - tetrapod A:
**Answer**
tetrapod

*Question*
Q: Metal detectors used for airport security work on which principle? Choices: - electricity - inertia - conductivity - inductance A:
**Answer**
inductance