Answer:
Herbicide essentially replaces sugar with itself during uptake by plants.
Explanation:
Noting that the pH is decreased around the plant cells indicate that there is an acidic environment that exists, It also indicates that the cell wall had been perforated and the contents are being expelled or at the very least leaking.
The ability for the plant to break down and use sugar is vital for its survival. Most herbicides are in the form of glycophosphates and it moves along with the sugar in the plant that have been treated with herbicides through the transport vesicles, the xylem and phloem.
This causes an imbalance in the available sugars that are able to be taken up by the plant since much of it is replaced by the herbicide.
A frog whose skin looks like the environment in which it lives
Answer:C. connects the two atria in the fetal heart
Explanation: The foremen ovale makes it possible for blood to go from the vein to the right side of fetus heart,and then to the left side of the heart. Before a baby is born,the baby gets blood rich in oxygen from the mothers placenta,and its delivered through the umbilical cord, because the baby can not use its lungs to get blood.
I believe it would be 1. Species preservation and biological control.
Answer:
C
Explanation:
D in my opinion wouldn't be correct because a vaccine is for if you come in contact with the sickness you are more protected and helps build immunity. So healthy people get them to try and build immunity against said vaccine. Like if you have the flu, your body is fighting. In the Flu vaccine parts of the flu are in the vaccine to help your body learn to become immune. So option C.
Sorry if this is confusing, hope it helps!