B: during the early stages of meiosis, chromosomes in a homologous pair exchange segments, the process is called Crossing over.
<span>A change that increases an organism's chances of survival is called an adaptation. </span><span>An adaption is any inherited characteristics that increase an organisms chance of survival. It is the way organisms </span><span><span>response to the imposed conditions. The characteristics can be structural, behavioral or physiological. </span>Adaptations may include changes in habitat, genetic changes, mimicry, internal adaptations...</span>
Answer:
s
Explanation:
this is not a real answe :')
Are sponges jointed not jointed or nothing
Sponge are are nothing
The answer is B. Because, The correct match is like this : Adenine-Thymine and Guanine-Cytosine. A-T and G-C
