Which would least likely be a cause of natural selection? adaptation
evolution
overpopulation
variation

The negative impacts of nonnative species generally outweigh the positive impacts

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.