D I think hope this helps
Answer:
Grasshopper has open circulatory system.
Explanation:
Grasshopper has open circulatory system and they have a fluid cavities called haemolymph. Grasshopper have open circulatory system because the blood is not usually in the blood vessels. The hearts like structure pump the blood into the aorta and the blood flow from aorta in the body fluid, called haemolymph. The heart like structure is located in the upper part of the abdomen and pump fluid to the head and passes through organs and tissues.
Answer:
The answer is B.
Explanation: Subjective evidence is based on personal suggestions, so that is wrong. Hypothetical is a guess, so it is wrong. So it would be B, since empirical means evidence based on facts and observation.
Hope this helps!
Answer:
A. The percentage will increase
Explanation:
If the species is becoming resistant to the weed killer, natural selection will cause future generations to become resistant as well, therefore the percentage of resistant dollar weed will increase. Also I took the test lol.