Answer the following question given this paragraph: Gnetophytes Gnetophytes are the closest relatives to modern angiosperms, and include three dissimilar genera of plants. Like angiosperms, they have broad leaves. Gnetum species are mostly vines in tropical and subtropical zones. The single species of Welwitschia is an unusual, low-growing plant found in the deserts of Namibia and Angola. It may live for up to 2000. Q: What are the closest relatives to modern angiosperms? Choices: - staurikosaurus - mitochondria - sporozoans - gnetophytes A:
gnetophytes
Answer the following question given this paragraph: Evolution occurs in response to a change in the environment. Environmental change often involves other species of organisms. In fact, species in symbiotic relationships tend to evolve together. This is called coevolution . As one species changes, the other species must also change in order to adapt. Q: What is the term for species in symbiotic relationships evolving together? Choices: - innervation - autogeneration - interconnection - coevolution A:
coevolution
Q: Answer the following question given this paragraph: Hearing loss due to loud sounds can be prevented by wearing hearing protectors. They reduce the amplitude of sound waves entering the ears. Q: Wearing what will reduce the amplitude of sound waves entering the ears? Choices: - goggles - megaphone - hardhat - hearing protectors A:
A: hearing protectors
Question: Answer the following question given this paragraph: Two functions of the female reproductive system are producing eggs and secreting estrogen. Eggs are female gametes. Estrogen is the major sex hormone in females. The female reproductive system also supports a developing fetus and gives birth to an infant. Q: What is the name of the major sex hormone in females? Choices: - testosterone - insulin - glucose - estrogen A:
Answer: estrogen
*Question*
Answer the following question given this paragraph: The mechanical advantage of a machine is related to how it changes force. Explain this relationship. Q: The mechanical advantage of a machine is related to how it changes what? Choices: - pressure - nature - example - force A:
**Answer**
force
Answer the following question given this paragraph: E. coli bacteria are anaerobic bacteria that live in the human digestive tract. Q: In what human organ system would you find live e. coli bacteria? Choices: - circulatory system - respiratory system - skeletal system - digestive system A:
digestive system