Q: Chemical elements and water are constantly recycled in the ecosystem through what? Choices: - geothermal cycles - greenhouse gases - inorganic cycles - biogeochemical cycles A:
biogeochemical cycles

Q: What type of prokaryotes live in habitats without oxygen? Choices: - phosphoric - aerobic - enzymatic - anaerobic A:
anaerobic

Q: Q: What are the special compartments that are surrounded by membranes inside eukaryotic cells called? Choices: - ribosomes - vacuoles - chloroplasts - organelles A:
A: organelles

Question: Q: What is the basic unit of matter? Choices: - neutrons - calories - ions - atoms A:
Answer: atoms

*Question*
Q: What is the plane that divides the body or an organ vertically into right and left sides? Choices: - median plane - parasagittal plane - anatomical plane - sagittal plane A:
**Answer**
sagittal plane

(Q).
Q: What are gymnosperms lacking compared to most angiosperms? Choices: - muscle elements - use elements - vascular elements - vessel elements A:
(A).
vessel elements