The primary source of energy in a food chain is Sun, because producers are the ones that prepare food by themselves and that food is then passed on to higher levels in food chains. And as the producers make their from Sunlight, the primary source of energy in food chain is <u>Sunlight</u> .
Answer:
Sequence.
Explanation:
In order to synthetize any gene, you need to know its sequence, because unlike PCR (Polimerase Chain reaction), that uses a template strand, gene synthesis does not. This process involves the step-wise addition of nucleotides (knowing the sequence needed) to a single-stranded molecule, which eventually serves as a template for creation of a complementary strand.
Answer:
Temperature Regulation Sometimes, a turtle just wants to be comfortable, and will retreat underground if his environment becomes too hot or too cold for comfort. In the winter, this act is the equivalent of covering up with a blanket, and in the summer, it's the turtle's form of air conditioning.
Explanation:like rate and make me a brainlist
Homeostasis refer to the metabolic balance being maintained by several processes. It may include having a stable internal physiologic condition such as the blood ph or body temperature. Among the options, the best answer would be c. the villi of the small intestine would increase the absorption of nutrients from small intestine to the blood.