Answer the following question given this paragraph: A trophic level is a feeding position in a food chain or food web. Most food chains and webs have a maximum of four trophic levels. There is less energy and biomass at higher trophic levels. Q: Most food chains and webs have a maximum of how many trophic levels? Choices: - 3 - 10 - 6 - 4 A:
4
Answer the following question given this paragraph: The Gaia hypothesis states that the biosphere is its own living organism. Q: What hypothesis states that the biosphere is its own living organism Choices: - the seager hypothesis - Big Bang theory - small world theory - the gaia hypothesis A:
the gaia hypothesis
Q: Answer the following question given this paragraph: Q: Stomata are the main avenues of transpiration, the evaporative loss of water from what? Choices: - fruits - roots - stalks - leaves A:
A: leaves
Question: Answer the following question given this paragraph: High-density materials are much more effective protection against gamma emissions than low-density ones. Gamma rays are usually blocked effectively by lead shielding. The thickness of the shielding will determine the effectiveness of the protection offered by the lead. Q: What element is typically used to shield things from gamma rays? Choices: - gold - silver - aluminum - lead A:
Answer: lead
*Question*
Answer the following question given this paragraph: Shield volcanoes often form along divergent plate boundaries. They also form at hot spots, like Hawaii. Shield volcano eruptions are non-explosive. Q: Shield volcanoes often form along which locations? Choices: - convergent boundaries - tectonic plates - fault lines - divergent plate boundaries A:
**Answer**
divergent plate boundaries
(Question)
Answer the following question given this paragraph: Q: What does the central cell develop into after double fertilization? Choices: - endocell - xygote - exosperm - endosperm A:
(Answer)
endosperm