Q: What is a process that changes some chemical substances into other chemical substances? Choices: - a bio reaction - spontaneous mutation - cellular respiration - a chemical reaction A:
a chemical reaction

(Question)
Q: What secures together immovable joints and prevents them from moving? Choices: - light collagen - light cartilage - dense cartilage - dense collagen A:
(Answer)
dense collagen

Ques: Q: The hot liquid rock on the surface is called what? Choices: - Molten - volcano - flow - lava A:
Ans: lava

(Q).
Q: What is the oxygen carrying component of red blood cells called? Choices: - molecule - mitochondria - platlet - hemoglobin A:
(A).
hemoglobin

Ques:Q: Each group of organisms went through its own evolutionary journey, called what? Choices: - anomalous - zoology - superfamily - phylogeny A:

Ans:phylogeny

Ques:Q: Birds have a relatively large heart and a rapid what? Choices: - lifespan - blink rate - digestive process - heart rate A:

Ans:
heart rate