16. Which of the following changes in an ecosystem is most likely to cause an increase in the
Beweis of o, in the atmosphere?
A romoving an animal species
Cforaging mushrooms for food
Bplanting flowers in a field
D cutting down trees for timber

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell