<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.
Eventually, all of the energy that enters the ecosystem is lost in the form of heat.
Answer:
A) Spore capsules
Explanation:
Ferns produce spore capsules contained in the sporangium (plural: sporangia), a structure localized on the undersides of the leaves. Moreover, the sporangia are borne in clusters known as sori (singular sorus). The spores are single reproductive cells that, when mature, are released from the sporangium to germinate on soil and produce new ferns. In a fern sporangium, the maximum number of spores is 64, although this number depends on the species.
Hello! The answer is cell