What are what are four main causes of erosion

Which trophic level does a fish represent in food chain? Algae-> mosquito larva->dragonfly larve-> fish-> man A Tertiary B Secondary C Detritus

If there is no lactose present, how does bacteria respond? The gene for beta-galactosidase turns on. The gene for beta-galactosidase turns off. Lactose is produced. Beta-galactosidase production increases.

Which is used to create copies of genetic material for dna fingerprinting?

What measures the distance between consecutive crest of a wave? A. crest B. trough C. the amplitude D. wavelength

Explain why genes close together on the same chromosome are said to be linked

What is one disadvantage of using plasma gasification to detoxify hazardous waste?

Euglena use which structure for movement? A. cilia B. flagella C. pseudopods D. they do not move

1. What is a reproductive process in which a cell's genetic information is duplicated and then divided to produce a single identical daughter cell from an outgrowth of a larger parent cell? A. production of spores B. budding C. binary fission D.

True or false? biologists studied the effects of forest fragmentation by calculating the difference between the amount of plant biomass in the edges of forest fragments and the interiors of unfragmented forest.

This is an organ in the digestive system which transports waste out of the body and absorbs water from the waste before it leaves the body.