Q: Around 1200 species of what broad animal group are currently at risk of extinction due to human activity? Choices: - mammals - reptiles - amphibians - birds A:
birds

(Question)
Q: Most thoracic vertebrae have two facets that articulate with the head of what structure? Choices: - calf - heart - pelvic - rib A:
(Answer)
rib

Ques: Q: Represented in equations by the letter "g", what pulls objects down to the earth's surface? Choices: - energy - motion - light - gravity A:
Ans: gravity

(Q).
Q: The enzymes that participate in fatty acid catabolism are located in what? Choices: - carbohydrates - atoms - nucleus - mitochondria A:
(A).
mitochondria

Ques:Q: What phenomenon involves the forcing of a substance into a cell against its concentration gradient? Choices: - active absorption - osmosis - secondary transport - primary active transport A:

Ans:primary active transport

Question: Q: Where does visible light fall in between on the electromagnetic spectrum? Choices: - infrared light and specific light - infrared light and gamma ray - radio and infrared - infrared light and ultraviolet light A:
Answer:
infrared light and ultraviolet light