Q: What is a group of similar ecosystems with the same general abiotic factors and primary producers? Choices: - ecoregion - family - taxon - biome A:
biome

Q: What results when a force does work? Choices: - side effect - momentum - pressure - movement A:
movement

Q: Q: Where do amphibians lay their eggs? Choices: - in caves - on land - in airborne nests - in water A:
A: in water

Question: Q: What is a common age-related bone disease in which bone density and strength is decreased? Choices: - fibrosis - lupus - arthritis - osteoporosis A:
Answer: osteoporosis

*Question*
Q: What is the oxygen carrying component of red blood cells called? Choices: - molecule - mitochondria - platlet - hemoglobin A:
**Answer**
hemoglobin

(Q).
Q: What type of blood vessels carry blood away from the heart? Choices: - Heart - tubes - Viens - arteries A:
(A).
arteries