Q: What mammalian structure allows the exchange of gases, nutrients, and other substances between the fetus and mother? Choices: - uterus - mitochondria - notochord - placenta A:
placenta

(Question)
Q: What is the blastocyst called after implantation? Choices: - trophoblast - an nucleus - an produce - an embryo A:
(Answer)
an embryo

Ques: Q: Different interatomic distances produce different lattice what? Choices: - qualities - surfaces - weights - energies A:
Ans: energies

(Q).
Q: What are two ways cnidarians are able to reproduce? Choices: - mitosis and meiosis - spawning and sexual - internally and externally - asexually and sexually A:
(A).
asexually and sexually

Ques:Q: Electromagnetic waves are generally caused by magnetic fields doing what (or moving in what way)? Choices: - revolving - rippling - folding - vibrating A:

Ans:vibrating

Q: Prokaryotic cells do not have a nucleus but instead generally have a single chromosome, a piece of double-stranded dna located in an area of the cell called the what? Choices: - lysosome - cytoplasm - spicule - nucleoid A:
nucleoid