Answer: C
Explanation:
LD50 is a measure of toxicity in animals. A chemical with a smaller LD50 is more toxic and in this question, Shiga toxin has a lower LD50, thus it is more lethal.
Answer:
The correct answer is B. Hot Spring. I just took this on Edge and got it correct.
I might be wrong, but I think the answer to this question is D.
I believe its aerobic respiration
Answer:
they developed some structures or parts to survive
the terrestrial environment