Q: As per hutton's unconformity, what happened to the intermediate layers of rock? Choices: - they metamorphized - they fused - they expanded - they eroded away A:
they eroded away

(Question)
Q: What have cell-surface antigen receptors for foreign molecules? Choices: - capillaries - dendrites - erythrocytes - lymphocytes A:
(Answer)
lymphocytes

Ques: Q: What tool do scientist's use to show the evolutionary pathways and connections among organisms? Choices: - conceptual tree - superficial tree - photogenetic tree - phylogenetic tree A:
Ans: phylogenetic tree

(Q).
Q: Where does evidence that magnetic reversals occur come from? Choices: - snow - Volcanoes - air - rocks on ocean floor A:
(A).
rocks on ocean floor

Ques:Q: The sun, stars, moon, planets and comets are all type of what objects? Choices: - extraterrestrial - universal - spacial - celestrial A:

Ans:celestrial

Ques: Q: How do bacteria reproduce? Choices: - budding - nuclear fission - sexual reproduction - binary fission A:
Ans:
binary fission