Why can the hypothesis that life evolved on another planet and was transported by meteorites not be
falsified?
What will be an ideal response?
The hypothesis is not testable. Most scientists believe it is unlikely, but it cannot be ruled out by
experimentation.
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The smallest unit of heredity is a chromosome.
Answer the following statement true (T) or false (F)
The female reproductive parts of a typical flower are found in the ________
a. sepal b. stamen c. calyx d. carpel
A moth-pollinated flower is likely to have
A. red flowers that open in daytime, a wide landing area, and an odor resembling dead meat. B. blue or yellow flowers, a wide landing area, and no odor. C. lightly colored flowers, no landing area, and strong sweet perfume. D. blue or yellow flowers, a wide landing area, and not very much odor. E. white flowers with short tubes, a wide landing area, and no odor.
Many cultures in the world do not eat meat as a primary protein source. Often we find dishes of rice and beans (e.g., rice and black beans, rice and tofu, rice and lentils) in the diet of these cultures. Explain why these combinations of foods are found
What will be an ideal response?