Answers: 1
Biology, 22.06.2019 10:30
All ova contain sex chromosomes corresponding to: x y xx xy
Answers: 2
Biology, 22.06.2019 13:10
Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.
Answers: 1
Biology, 22.06.2019 17:10
Question 17 (1 point) where does penicillin come from? a. it is a chemical that man invented b. it is a fungus c. it is a toxin made by other bacteria d. it was discovered in archaebacteria
Answers: 1
Do muscle cells and skin cells have the same dna? Explain...
Mathematics, 20.11.2019 00:31