The correct answer is A. l and ll are correct.
Answer:
translation
Explanation:
you translate the transcript
Organisms<span> regulate complex systems through chemical interactions through feedback mechanisms. The feedback mechanism can respond to perturbation either as positive feedback (the same direction) or a negative feedback (opposite direction). The contractions in childbirth is an example of positive feedback. The hormone oxytocin is released in the body when contraction begins to further aid the contractions. An example of negative feedback is the regulation of blood glucose level. The continuous rise of blood glucose level may lead to diabetes.</span>
Answer:
Paleontologists may start their investigations by reading articles from the fossil record found in a specific region
Explanation:
Dina may examine the paleontological evidence that includes the study of the fossil record found in her hometown (or closest regions). Moreover, Dina may read research articles on the phylogeography of the species in this area, this information may also help to understand the past climatic conditions