Q: What are the newest, outer layers of secondary xylem called? Choices: - bark - fibrous - vascular - sapwood A:
sapwood

(Question)
Q: Which plant group has vascular tissue, seeds, and flowers? Choices: - microbes - fungi - spores - angiosperms A:
(Answer)
angiosperms

Ques: Q: When an unstable nucleus emits radiation and is transformed into the nucleus of other elements this is called? Choices: - naturally decay - explosive decay - fusion decay - radioactive decay A:
Ans: radioactive decay

(Q).
Q: What is the change of characteristics of living things over time? Choices: - spontaneous mutation - adaptation - generation - evolution A:
(A).
evolution

Ques:Q: All members of a species living together form a what? Choices: - family - group - organization - population A:

Ans:population

Q: Some biochemical processes happen via sequences of reactions which are called what? Choices: - synthesis - mutations - metabolism - pathways A:
pathways