Which species has been successfully reintroduced to the wild due to captive breeding programs?
a. Canadian bearded schmoo
b. Atlantic salmon
c. the American condor
d. Yellowstone elk
c. the American condor
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People with albinism carry two copies of the dominant allele (AA) and cannot make a pigment called melanin
a. True b. False Indicate whether the statement is true or false
Hundreds or thousands of individuals of certain __________ form colonies in which each polyp has a
special function such as feeding, reproduction, or defense. A. sea anemones B. hydrozoans C. jellyfish D. ctenophores E. sponges
What is the process called that involves the movement of cells into new relative positions in an embryo and results in the establishment of three germ tissue layers?
A) determination B) cleavage C) fertilization D) induction E) gastrulation
Many plants are totipotent, which means
A. each cell of the plant has the genetic capability of developing into an entire plant. B. they are capable of providing their own nutrition, requiring no external nutritional sources. C. they are incapable of dividing to produce daughter cells. D. they are metabolically inactive, existing in a state of dormancy.