I don’t know completely and I may be totally wrong but it might be natural selection…? I’m bad at biology Don’t get mad if it’s wrong ;-;
The answer is: b.<span>They have been genetically modified.</span>
>Genetically modified foods<span> or </span>GM foods are <span> </span>genetically engineered foods. They <span>are foods produced from </span>organisms<span> that have had changes introduced into their </span>DNA<span> using the methods of </span>genetic engineering.
>Bioengineered foods<span> are foods that have had a gene from a different species of plant or other organism introduced to produce desired characteristics or traits.</span>
Nuclear pores. DNA is to large to go in the nuclear pores but MRNA can.
"Tree bark is part of the vascular system" is an incorrect statement about tree bark, since almost all of the vascular properties of the tree take place inside the trunk.
You can use your maximum heart rate (MHR) to calculate how hard you should work.