Q: German doctor rudolf virchow first discovered what process when studying living cells under a microscope? Choices: - radiation - evolution - photosynthesis - cell division A:
cell division

(Question)
Q: Did the the open circulatory systems of molluscs and arthropods arise dependently or independently of each other? Choices: - dependently - together - separately - independently A:
(Answer)
independently

Ques: Q: Sepals, petals, pistils, and stamens are contained in all what, which are actually modified leaves or sporophylls organized around a central stalk? Choices: - chlorophyll - roots - stems - flowers A:
Ans: flowers

(Q).
Q: What term refers to something supplied by nature that helps support life? Choices: - free resource - simple resource - existing resource - natural resource A:
(A).
natural resource

Ques:Q: Name the fever that is caused by a virus that has antigens similar to molecules in human heart tissues. Choices: - Dengue fever - yellow fever - chronic fever - rheumatic fever A:

Ans:rheumatic fever

Q: The state of matter - solid, liquid, or gas - is also considered what type of property? Choices: - thermal - mechanical - chemical - physical A:
physical