Answer:
Last option
Explanation: B DNA is a good approximation of the structure of DNA found in cells i.e. in both plant and animal cells, the most common structure of DNA observed is the B DNA.
Answer: they have to maintain homeostasis, so they remove waste to do so..
It form the contraction and relaxation of muscle
Fire is not a living thing, and abiotic factors are the factors in an ecosystem that are non-living. So, fire is an abiotic factor in an ecosystem, though its not mentioned alot.
Answer:
Queen ants have two main responsibilities first, Queens are the founders of all ants colonies. A queen and will leave the colony she was born into a mate with flying male ants. After mating, she will scurry off to find a new location for her nest, lose her wings and lay her first hatch of eggs.