Complete the sentence: Loss of biodiversity A. causes no change in an ecosystem. B. increases the variety of species in an ecosystem. C. weakens an ecosystem. D. strengthens an ecosystem.

With me solvent. 5. Are all substances soluble? Give an example of a substance that is NOT soluble in water.

which scenario below describes an auditory input and a logical response? A) A dog smells dinner cooking and jumps on the counter top B) A dog hears a siren and begins to howl C) A dog sees a squirrel and knocks over table D) A dog steps on a thorn

What is one drawback to relying on wind power for energy? A. Some areas in our country are too windy B. Batteries cannot hold all of the energy produced C. Wind power only can be used during the day D.

The process of meiosis increases genetic variation when genetic information is exchanged during crossing-over and when alleles are independently and randomly assorted into daughter cells.

What is Earth Place Science?

Which planets have moons? A) Earth only B) Jovian only C) Terrestrial only D) Both Terrestrial and Jovian

Given that transcription - the production of mRNA - requires a DNA template, where do you think this process occurs in the cell?

Introduced species can threaten biodiversity because they a. cause desertification b. cause biological magnification c. crowd out native species d. reduce the amount of fertile land

Sirius B was an important star in ancient Egypt and was used to warn for floods on the Nile River. Is Sirius B brighter or dimmer than the Sun? * a) Brighter* b) Dimmer

How old am i and when is my next birthday?