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Approximately 360 million years ago, flying insects reached massive sizes (by today's standards). Why are modern-day insects so small compared to their ancestors?

Which two body systems, when working together, give your body shape and allows you to move around?

What would occur if the repressor of an inducible operon were mutated so it could not bind the operator? a. irreversible binding of the repressor to the promoter b. reduced transcription of the operon's genes c.

Fill in the blank with a word that correctly completes the sentence. Flatworms have a remarkable ability to generate a whole body from any small piece. This multi-headed worm will split apart and grow into several complete, separate individuals.

Most fossils have been discovered in this type of rock.

During the light reactions, what structure is responsible for absorbing the solar energy? Question 1 options: A) chloroplast B) stoma C) stroma D) bark of the tree

What is the name of an alcohol derived from hexane?

Your neighbor collapses in the yard and has a generalized tonic-clonic seizure. your first step in treating this victim is to:

Which of the following is an example of homoplasy? (A) hair in humans and fur in mice (B) astragalus ankle bones in hippos and deer (C) Hox genes in humans and flies (D) streamlined bodies in dolphins and ichthyosaurs

At its peak, the Roman Empire encompassed a land area that included present-day A. China B. Poland C. Spain