Astronauts experience similar feelings of dizziness and disorientation upon arrival in space and upon their arrival back on earth. what does this indicate to researchers?

Number and variety of living organism; includes genetic, species, and ecological types

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.

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