Why are fish found in cold, fast-moving streams more active than those in warm, slow-moving streams?

High concentrations of toxic heavy metals in estuaries are most likely found in the select one: a. water of the estuary b. air above the estuary c. estuary sediments d. water of the adjacent ocean e. air above adjacent land

Which of the following is not involved in the regulation of transcription? A. introns B. DNA methylation C. nucleosomes D. regulatory proteins or transcription factors

What makes up the inorganic part of soil? earthworms and bacteria dead organisms bacteria rock and mineral particles

Where in the world is the aquatic biome located?

How would you describe the cells that make up the parts of your eye

Why is a cells DNA like the books in a library

In humans the allele for albinism is recessive to the allele for normal skin pigmentation. If two parents are heterozygous, what is the parents genotype?

What is the outer edge of a frog blood cell called?

In 1883, a catastrophic event caused climate change, a massive tidal wave, and violently red sunsets. Which event below would be the most likely to have caused the listed effects in 1883? A. a volcanic eruption B. a typhoon C. a hurricane D.

What kind of microbe causes HIV?