Q: Breeding in birds occurs through an internal type of what process? Choices: - segmentation - sedimentation - stimulation - fertilization A:
fertilization

Q: When female mammalian embryos consist of just a few thousand cells, one x chromosome in each cell inactivates by condensing into a structure called what? Choices: - lewy's body - morton body - baker body - barr body A:
barr body

Q: Q: What are composed of an oxygen atom that forms single bonds with two carbon atoms? Choices: - sugars - solvents - acids - ethers A:
A: ethers

Question: Q: What do you call any substance that opposes coagulation? Choices: - dissolvent - antibodies - toxin - anticoagulant A:
Answer: anticoagulant

*Question*
Q: Just under their skin, marine mammals have a very thick layer of insulating fat called what? Choices: - tissue - lipisomes - cellulose - blubber A:
**Answer**
blubber

Q: What helps represent age-sex structure of the population? Choices: - habitat chart - density graph - biome model - population pyramid A:
population pyramid