Answer:
Simple organisms, such as theamoeba and earthworm, have a moist, permeable external surface. Oxygencan pass into them through this surface by diffusion. A large surface area is needed for effective gas exchange - so larger, more complex, organisms have special organs such as gills and lungs.
Explanation:
Answer:
Downpayment: 15% of original price
Original price: $120,000
15% of 120,000 = 
× 120,000
= $18,000
Thus, the downpayment is $18,000.
25 percent if you make a punnet square for this it would help a lot. Homo is same and if its dominant it would be big letter like FF and homo recessive would be ff you would get FF,Ff,Ff,ff in the punnet square.
You need to talk to the new coming mother about what it is she is taking and give her the details on if it is bad for her to consume that substance or not.give her the pros and the cons.
