Fossil evidence shows that all modern human populations evolved from human ancestors in Africa
Indicate whether the statement is true or false
TRUE
Biology & Microbiology
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Pulmonary veins carry
A. oxygenated blood. B. deoxygenated blood. C. a mixture of oxygenated and deoxygenated blood.
Biology & Microbiology
How do gene duplication and exon shuffling lead to new genes?
What will be an ideal response?
Biology & Microbiology
One current goal of cloning is to ____
a. duplicate certain humans b. create new species c. promote evolution d. experiment with alien DNA e. increase the numbers of endangered animals
Biology & Microbiology
In the logistic growth model, as population size increases, birth rates
A) remain constant and death rates increase. B) decline but death rates remain steady. C) and death rates increase. D) and death rates remain steady. E) rates decline and/or death rates increase
Biology & Microbiology