Q: Living things need to take in nutrients so that they can grow and create what? Choices: - protein - plasma - hydrogen - energy A:
energy

Q: What term is used to describe large numbers of species that go extinct in a short amount of time? Choices: - formation extinction - organic extinction - species extinction - mass extinction A:
mass extinction

Q: Q: What land mammal has the longest gestation period? Choices: - Rhino - Giraffe - Asian elephant - african elephant A:
A: african elephant

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

*Question*
Q: A growth spurt requires constant divisions of what? Choices: - hairs - seeds - proteins - cells A:
**Answer**
cells

(Question)
Q: What measure is resorted to by people who wish to screen out genetic abnormalities in the fetus? Choices: - contraceptive use - in vitro fertilization - stem cell therapy - prenatal testing A:
(Answer)
prenatal testing