How did Anton van Leeuwenhoek contribute to our understanding of the cellular basis of reproduction?
A) He first observed sperm cells in semen and found them in animals who had recently mated.
B) He first observed bacteria reproducing in saliva.
C) He first observed protozoa reproducing in pond water.
D) He combined sperm and egg cells and observed that they fused.
E) He invented the tools to allow us to see sperm and egg cells.
Correct Answer:
Verified
Q40: Most conjoined twins survive. True or False?
A)
Q41: Do scientists know what causes conjoining in
Q42: Why do some people call conjoined twins
Q43: Is it true that only your genes
Q44: What is Anton van Leeuwenhoek known for?
A)
Q46: How does ultrasound imaging of an embryo
Q47: What is ultrasound used for during pregnancy?
A)
Q48: Why is it dangerous for a pregnant
Q49: What is the problem with fetal alcohol
Q50: What was one study that led to
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents