Questions in Grade High-school

Questions in Grade High-school

[Free] In fruit flies, red eyes are dominant to green eyes. In a cross between a short-winged, green-eyed fly and a long-winged, red-eyed fly, the results were as follows: - 40 percent short-winged and red-eyed - 10 percent short-winged and green-eyed - 10 percent long-winged and red-eyed - 40 percent long-winged and green-eyed Which of the following reflects the chromosome makeup of the parents? A. LlRr × Llrr B. Llrr × llrr C. LlRr × llrr D. LLRR × llrr E. LlRR × llRr

[Free] Two fourths is _____________ pieces of the whole.

[Free] A solution can be both a. Dilute and concentrated b. Saturated and dilute c. Saturated and unsaturated d. Supersaturated and saturated e. None of these

[Free] Seven tenths is _________ pieces of the whole.

[Free] Which statement regarding significant figures is false? A. Zeros can be significant. B. When multiplying, the answer is determined by the number of significant figures. C. When adding, the answer is determined by the number of decimal places. D. When dividing, the answer is determined by the number of decimal places. E. The number 50,004 has five significant figures.

[Free] Is 0.01 less than 0.07?

[Free] Flowers of the orchid species Ophrys bombyliflora look and smell like female bumblebees. This attracts male bumblebees flying nearby to the flowers. As a result, pollen sticks to the head and abdomen of the bumblebee, leading to pollination. This orchid species is only pollinated by these bees, which is why the species is known as bumblebee orchids. What mode of evolution is represented by this example? A) Coevolution B) Punctuated equilibrium C) Adaptive radiation

[Free] What geographic feature is associated with subduction zones?

[Free] Simplify: \(\frac{x}{x^2-16} - \frac{7}{x^2+5x+4}\)

[Free] How are all resources scarce, and how do individuals, businesses, and society face scarcity?