Plant photosynthesis and the consumption of plants by animals are both examples of what unifying principle of life?
A. All living organisms use energy.
B. All living organisms maintain organization.
C. All living organisms have evolved over the course of many generations.
D. All living organisms maintain some level of homeostasis.
E. All living organisms are composed of similar structures.
A. All living organisms use energy.
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Prezygotic reproductive isolation occurs ____
a. just after the union of the egg and sperm nuclei b. during embryo development c. during fetal development d. after birth e. before the mating pair comes into contact
Typically, bacterial DNA contains less repetitive DNA than eukaryotic DNA
Indicate whether the statement is true or false
What happens to the body parts, according to the principle of use and disuse?
a. Body parts grow in proportion to their biogeographic location. b. Body parts grow in proportion to the needs of natural selection. c. Body parts grow in proportion to how much they are used. d. Body parts grow in proportion to how much they are not used.
All of the following diseases have a genetic component, but which is inherited via a single gene?
1.Alcoholism 2.Alzheimer disease 3.Huntington Disease 4.Schizophrenia 5.Bipolar disorder 6.Depression