Q: What is a species that plays an especially important role in it's community called? Choices: - complement - Invasive - Leader - keystone A:
keystone

Q: What's the name for the process where pollen is transferred to the ovules of a seed plant? Choices: - combination - condensation - hibernation - pollination A:
pollination

Q: Q: What is the force that pulls particles at the exposed surface of a liquid toward other liquid particles called? Choices: - conservative tension - shinking tension - transfer tension - surface tension A:
A: surface tension

Question: Q: What are the chemical formulas for covalent compounds referred to as? Choices: - nucleus formulas - magnetic formulas - Electron Formulas - molecular formulas A:
Answer: molecular formulas

*Question*
Q: What are the nonliving matter that living things need called? Choices: - fluids - elements - acids - nutrients A:
**Answer**
nutrients

(Question)
Q: Like all tetrapods except birds and mammals, frogs possess a heart with what structure? Choices: - One Chamber - four chambers - eight chambers - three chambers A:
(Answer)
three chambers