Which one of the following elements is found in nonliving systems but not found in more than trace amounts in living systems? a. hydrogen b. oxygen c. carbond. silicone. calcium

Which will not cause air to become unstable? A. intense solar heating that warms the air from below B. forceful lifting of air C. upward movement caused by general convergence D. subsidence of an air column

An organism's inherited traits that increase its likelihood to reproduce and survive are the traits it will most likely pass on to the generations that follow. this pattern can be explained by the principle of:

What are three variables that affect a living system?

Which substance would typically contain the most trans fat?

What type of vegetation would you expect to find on newly formed volcanic islands?

Choose all the right answers. Invertebrates: a.) have backbones b.) do not have backbones c.) outnumber vertebrates d.) include fish and mammals e.) include insects and mollusks

Ethyl alcohol and carbon dioxide are the end products of A. Krebs cycle B. Electron transport chain C. Alcoholic fermentation

Meiosis allows for the reshuffling of maternally and paternally-inherited alleles between different genes, thus allowing for high genetic diversity in gamete genotypes, and thus offspring produced.

When considering membrane transport, what is a transporter?

A landfill with a plastic or clay liner that prevents the leaking of Easter into soil and groundwater is called? A. A sanitary landfill B. A toxic waste site C. An unsanitary landfill D. A recycling center