Answers: 3
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 16:30
Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england
Answers: 1
Biology, 22.06.2019 19:30
Need , i need a scenario of: artificial selectionmutationnon random mating
Answers: 2
What are the possible reasons why ozone can be depleted?...
English, 02.11.2020 20:30
History, 02.11.2020 20:30
Mathematics, 02.11.2020 20:30
Mathematics, 02.11.2020 20:30
History, 02.11.2020 20:30
Physics, 02.11.2020 20:30
Chemistry, 02.11.2020 20:30