Q: The seasonal movements of animals from one area to another is referred to as? Choices: - mitigation - hybernation - echolocation - migration A:
migration

Q: What is the most common cause of dwarfism? Choices: - deformity - hypothyroidism - retinopathy - achondroplasia A:
achondroplasia

Q: Q: The pelvic girdle, consisting of a hip bone, serves to attach a lower limb to this? Choices: - exoskeleton - appendicular skeleton - cytoskeleton - axial skeleton A:
A: axial skeleton

Question: Q: What's the most common disorder from having an extra chromosome? Choices: - Williams syndrome - Turner syndrome - cri-du-chat syndrome - down syndrome A:
Answer: down syndrome

*Question*
Q: What is the main difference between prokaryotic and eukaryotic cells? Choices: - enlarged mitochondria - presence of cytoplasm - absence of cytoplasm - presence of a nucleus A:
**Answer**
presence of a nucleus

Q: Q: What is used to date older fossils? Choices: - search engines - litmus testing - electron microscopes - radioactive isotopes A:
A: radioactive isotopes