Why do populations that fragment in response to climate changes face a higher risk of extinction?
A. Population fragmentation leads to loss of genetic diversity.
B. Populations which have moved are subject to new predators.
C. Moving populations cannot breed as effectively.
D. The number of young decreases for several generations in the new habitat.
E. All of the answer choices are correct.
A. Population fragmentation leads to loss of genetic diversity.
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Which of the following organs is not found in the abdominal cavity?
a. Pancreas b. Large intestine c. Liver d. Stomach e. Bladder
Capillary walls consist of ____
a. stratified squamous epithelium b. simple squamous epithelium c. simple cuboidal epithelium d. stratified cuboidal epithelium e. simple columnar epithelium
A fossil was found and determined by radiometric dating to be 11,400 years old. What is the ratio of carbon-14 to carbon-12 in this fossil compared to its environment?
A) 12.5% B) 25% C) 37.5% D) 50%
Lysosomes are specialized ____.
A. ribosomes B. peroxisomes C. Golgi bodies D. vesicles E. plastids