By evaluating the genome sequences of ____________, it is possible to compare sequences of two closely related species and determine the original sequence probably present in the common ancestor
Fill in the blanks with correct word
outgroups
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Biologists refer to the fit of an organism to its environment as _______.
a. selection b. adaptation c. resistance d. regulation
The peripheral nervous system is composed of the ____
a. brain and spinal cord b. brain and somatic nerves c. spinal cord and somatic nerves d. spinal nerves and cranial nerves e. spinal cord and spinal nerves
Following a medical examination, an individual discovers that she has a large tumor located in the area of the brain known as the reticular formation, located in the lower part of the brain stem
Which symptoms would this person experience as a consequence? A) difficulty swallowing and breathing B) inability to feel pain C) inability to maintain balance D) difficulty concentrating in a noisy room
How do sponges differ from all other animals?
A) Sponges exhibit radial symmetry. B) Sponges are autotrophs. C) Sponges lack a true body cavity. D) Sponges lack true tissues.