Who would have first made this statement while observing cork under a microscope?

Nonrenewable mineral resources are often used as fuel. Which choice is a good way to conserve the nonrenewable resources we now use for fuel? A) Use charcoal, obtained by burning wood for fuel. B) Use coal in thermal power plants to obtain energy.

Viruses are assigned to the kingdom A. Archaebacteria B. Protista C. Eubacteria D. None of the above

Foreshadowing means A. putting secondary characters in the foreground of the story. B. showing the readers the dark side of a character's personality. C. hinting at things that will occur later. D.

What is the least amount of time you should stay in your target heart rate

A group of cells with the same or similar function make what?

Which of the following are chromatid pairs that will be present during metaphase in mitosis? AmAm BmBm BpBp CmCm ApAp CpCp

A student argues that being separated geographically is the only way for speciation to occur. Why is he wrong?

In pea plants, purple flowers are dominant over white flowers. If two heterozygous purple-flowered plants are crossed with eachother, then what ate the possible genotypes of the offspring?

Which correctly describes a difference between the male and female reproductive systems? A. Females are fertile every day. B. Females produce gametes more often. C. Males produce more gametes. D. Males have a monthly cycle.

What has the lowest threshold velocity