You are studying the frequency p of an allele that gives pigeons brown feathers.  Over five generations, you observe the following frequencies in a large population of pigeons. p 0.75 0.70 0.68 0.57 0.50 Is this locus at Hardy-Weinberg equilibrium in this population? Why or why not?

Which of the following is a pair of organs that are directly HOMOLOGOUS to each other?

Which organisms take carbon dioxide from the atmosphere and convert it to a usable form?

Eugenics differs from the Theory of Evolution because…

A plain is covered in a species of tall grass (primary producer). One primary consumer species eats the grass. One secondary consumer species eats the primary consumer. And one tertiary consumer species is at the top of the food chain. Which of these is the dominant species on this plain?

Which of the following is NOT a requirement for natural selection?

A. What RNA would be TRANSCRIBED from the following DNA? (3 pts) coding:   5′-CATGTCATTTCACTAGG-3′ template: 3′-GTACAGTAAAGTGATCC-5′ B. Use the codon table to translate that RNA into an amino acid sequence, starting from the start codon. (4 pts)

Which statement best describes what happens during Meiosis I?

You find a worm in a moist environment. It has bilateral symmetry, an incomplete digestive system, and no segments. It does not have a circulatory system. It does not have a coelom, or even a pseudocoelom (fake body cavity) – it has no body cavity at all!  This organism is most likely to be…

The legs of a shrimp are used for movement, while the legs of a barnacle are used to catch food. However, both are descended from the jointed legs of a shared ancestor. This is an example of..