Answer:
Scientists think that foxgloves have evolved the poisons as an evolutionary adaptation and defense mechanism that provided them with better survival capacities.
As poisons are repellents which help the plants to repel any predator or attacker and enhance their survival. That is why scientists are of the view that old fox glove did not necessarily had this poison many hundred years ago but some how there would be facing harsh circumstances or alot of predators. Due to which, with the passage of time they developed these chemicals which enhanced their life time and survival chances.
Some poisonous chemicals from foxglove are:
- Deslanoside
- Digitoxin
- Digitalis glycoside
Hope it help!
18.D
19.A
20.C
21.B
theses are going to be your answers
Answer:
great, trying to get points because i was banned. it sucks
Explanation:
The teacher uses it and the kids use it to so that they learn how and go along with the teacher hope this helps!