<span>The toxin Bt (endotoxin
CrylA (b)) Bacillus thuringiensis that
is a normal inhabitant of the soil, showed himself as a natural insecticide
used by farmers engaged in organic farming. In contrast to the Bt-toxin
produced by bacteria, genetic engineers included it pesticide in every cell of
the seed, and therefore distributed throughout the adult plant, the products
from which then are consumed by man. </span>That's why scientists are concerned that after the use of a BT toxin
products people get antibiotic resistance and resistance to bt.
Answer:
e) Lamarck
Explanation:
Lamarck stated that traits could be acquired due to the use or disuse of a certain structure, for example: if giraffes were trying to reach leaves this would cause their necks to elongate and the trait would pass onto the next generation in other words organisms could change by what organisms want or need. In the 1880s, the German biologist August Weismann disproved this theory.
The independent variable is what will change. The dependent variable is what will change because of the independent variable. The controlled variable is what will stay the same.
Ex, for the first one.
IV: the amount of sunlight
DV: plant growth
CV: pea plant
For #2.
IV: the soda
DV: the amount of sugar
CV: soda
And so on
Answer:
C
Explanation:
As shown in the picture I attached to my answer, we can see all of the tectonic plates, which make up the lithosphere. The pieces do move very slightly every year.
