The archaeplastids include the red algae and the green algae
________________ Indicate whether the statement is true or false.
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Explain the ethical concerns with germ-line gene therapy in humans
What will be an ideal response?
The ultimate source of genetic variation within a population is:
a. mutations in DNA. b. adaptation of a species to environmental changes. c. homeostatic mechanisms that compensate for environmental changes. d. a sensory system that can detect an environmental change. e. a system of locomotion that allows an organism to escape environmental changes.
Thylakoids are found in
A. chloroplasts B. mitochondria C. liver cells D. fungal cells
Marsupials are a very ancestral form of mammal, evolving before placental mammals over 70 million years ago. Today Australian marsupials can be compared to placental mammals on other continents.When you compare Australian marsupials to placental mammals today
A. living marsupials are little changed from the earliest marsupial fossil forms. B. the marsupials are very similar to placental mammals in the ways they have adapted to similar ecological niches. C. the marsupials are all very primitive, having changed very little during the last 70 million years. D. the marsupial fossils look remarkably similar to the placental mammals of today. E. the marsupials have evolved much more rapidly than placental mammals and are more highly adapted.