A researcher plans to draw a cladogram to show the most recent common ancestors of mammeals, reptiles, amphibians, and birds. He needs to choose a group from the table as a sample to study the relationship among amniotic eggs, feathers, hair, and double eyelids from each organism. Which sample group does the researcher use to draw the cladogram?

Sample Group Species
A FROGS, BEARS, SANKES, DEER
B FROGS, DEER, SNAKES, LIZARDS
C FROGS, PARROTS, LIZARDS, OWLS
D FROGS, SNAKES, OWLS, BEARS

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

What processes take place before the mature mrna exits the nucleus?

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous