Can you hold your breath until you die?
A. Yes
B. No
Answer: B
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The colonial theory of animal origins states
that animalsa. migrated on land from sponge colonies in the ocean. b. originated in the Colonial geologic period. c. evolved from autotrophic green alga colonies. d. evolved from heterotrophic colony-forming protists. e. colonized land before they colonized the seas.
a. migrated on land from sponge colonies in the ocean. b. originated in the Colonial geologic period. c. evolved from autotrophic green alga colonies. d. evolved from heterotrophic colony-forming protists. e. colonized land before they colonized the seas.
A fragment cut out of DNA and a plasmid cut open for insertion of the fragment must both have been
cut with the same type of restriction enzyme. Indicate whether the statement is true or false.
Characteristics exhibited by continuously varying traits include ________
A) a 9:3:3:1 ratio B) sex-linked genes only C) 3:1 and 1:1 ratios D) autosomal genes only E) quantification by measuring, weighing, counting, etc.
Plants from both the chaparral and the Arctic have waxy coatings even though the temperatures in the two biomes are vastly different. Why?
What will be an ideal response?