What is the major function of the spinal cord?
a. it provides structural support for the trunk of the body.
b. it serve as a major conduit for information flowing to and from the brain.
c. it sends sensory information from the brain to the peripheral nervous system.
d. it serves as a centralized muscle mass that coordinates intricate muscle movements?

How does the study of genetic disorders such as pku biologists understand normal alleles?

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.