I think it was <span>Rosalind Franklin who discovered what DNA was made up of.
</span>James Watson and Francis Crick discovered the double helix shape of DNA and also created a 3d model of it, so it's not B nor C.
To my understanding (you should double check) the answer is D
Reaction and response loop. The plant is reacting to the amount of water, therefore it begins to die from there being less of it. The response from the plant dying means the answer. I'm not sure about this, but here is my answer that I would give.
Answer:
good morning
Explanation:
Similarity between bat and pigeon is that both belong to same kingdom i.e Animalia. Both are winged animals with stream lined body that helps them to fly. Difference- Bat is a flying animal but doesnot belong to class aves instead it is placed in class mammalia whereas pigeon is a flying bird.
Genetic exchange between two homologous chromosomes is called cross over
Answer: blood travels from the heart through arteries and blood travels to the heart through the veins.
I hope this helps