Q: Chemical elements and water are constantly recycled in the ecosystem through what? Choices: - geothermal cycles - greenhouse gases - inorganic cycles - biogeochemical cycles A:
biogeochemical cycles

(Question)
Q: Aflatoxins are toxic, carcinogenic compounds released by fungi of this? Choices: - protist group - genus sporozoa - arthropod class - genus aspergillus A:
(Answer)
genus aspergillus

Ques: Q: Eutrophication, or high levels of nutrients, can cause conditions that deprive fish of what vital gas? Choices: - dioxide - hydrogen - nitrogen - oxygen A:
Ans: oxygen

(Q).
Q: What celestial bodies are born in clouds of gas and dust called nebulas? Choices: - planets - comets - galaxies - stars A:
(A).
stars

Ques:Q: When scientists work in natural settings rather than a lab, it is called what? Choices: - outside work - extracurricular activity - exploratory - fieldwork A:

Ans:fieldwork

Q: What is it called when organisms with traits that better enable them to adapt to their environment tend to survive and reproduce in greater numbers? Choices: - natural distribution - adaptation - evolution - natural selection A:
natural selection