Which best describes fetal development?
The heart beats and is heard during the first trimester.
The heart beats and is heard during the second trimester.
The heart beats during the first trimester, but is heard in the second trimester.
The heart beats during the second trimester, and is heard in the third trimester.
Answers: 2
Other questions on the subject: Biology
Biology, 21.06.2019 15:30, matt199296
How are gene and protein sequences used to classify organisms?
Answers: 3
Biology, 21.06.2019 18:40, ozieera
Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.
Answers: 2
Biology, 22.06.2019 08:10, donnafranks2003
Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees
Answers: 2
Do you know the correct answer?
Which best describes fetal development?
The heart beats and is heard during the first trimester.
Questions in other subjects:
Mathematics, 25.09.2019 01:00
History, 25.09.2019 01:00
Biology, 25.09.2019 01:00
