Answers: 1
Biology, 22.06.2019 13:10
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
Answers: 2
Biology, 22.06.2019 16:00
Darwin’s hypothesis about how life changes over time is now called?
Answers: 2
Biology, 22.06.2019 18:30
Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome
Answers: 3
The amount of activity in a cell is related to its volume?...
Mathematics, 27.08.2019 03:00
Mathematics, 27.08.2019 03:00
Mathematics, 27.08.2019 03:00
Chemistry, 27.08.2019 03:00
Mathematics, 27.08.2019 03:00
Mathematics, 27.08.2019 03:00
Chemistry, 27.08.2019 03:00
Mathematics, 27.08.2019 03:00
Spanish, 27.08.2019 03:00
Mathematics, 27.08.2019 03:00
Mathematics, 27.08.2019 03:00