Q: The amount of what entering the eyes helps control the biological clock? Choices: - air - energy - heat - light A:
light

Q: Chelicerata are know for their first pair of appendages, also know as what? Choices: - ambers - chelicides - maxillae - chelicerae A:
chelicerae

Q: Q: Most flowers carry both stamens and carpels; however, a few species are capable of what and are nicknamed "perfect" flowers? Choices: - sexual reproduction - germination - cloning - self-pollination A:
A: self-pollination

Question: Q: Overproduction of offspring, combined with limited resources, results in what? Choices: - continuation - contention - concentration - competition A:
Answer: competition

*Question*
Q: In the presence of oxygen, hydrogen can interact to make what? Choices: - carbon - helium - acid - water A:
**Answer**
water

*Question*
Q: What term is used to describe a simple diagram that shows one way energy flows through an ecosystem? Choices: - water cycle - food pyramid - fuel chain - food chain A:
**Answer**
food chain