Answer:
Two characteristics are a notochord, and a dorsal hollow nerve cord.
Hope this helps! :D
Answer:
plant cells have chloroplasts
Explanation:
Answer:
c. single bond
b. double bond
d. unsaturated fatty acid
The rest is right :)
Explanation:
"C" is a single bond because saturated fats only have single bonds (no double bonds!)
Unsaturated fatty acids, on the other hand, have a double bond, creating a bent shape.
It means an organism respire without it
so that organism know as anaerobic
for example : bacteria eats human and animal dead bodies under the earth there O² is deficient so bacteria respire with oxygen O²