When Gretchen starts being chased by dog her brain sends a signal to her muscles to run. Which neurons are at work

Put in order from least complex (1) to most complex (4). cell molecule atom organelle

What was demonstrated in the darkening if the population of peppered moth in Europe over a relatively short period of time? a) Natural selection b) Natural integration c) Kettlewell adaption d) Industrial modification

Which human activity would have the largest negative effect on biodiversity?

Which scientist first discovered the connections between animals, insects, and humans with the plague? paul-louis simond edward st. antone andrew xue thomas edison?

What is the specialized kidney shaped cells that open and close the stomata

Pom Which of the following sequences best represents life's organization? O organ - tissue - cell - organ system cell - tissue - organ-organ system cell - organ - tissue - organ system cell - organ system - organ - tissue

Scientific research shows that our global climate is changing. Ocean temperatures and acidity are increasing, and the global sea level is rising. Which of the following best predicts an outcome of this global climate change in a marine ecosystem?

Which of the following is NOT a potential harmful effect on human health resulting from climate change? A. malaria B. yellow fever C. heatstroke and heat-related illnesses D. respiratory problems E. schistosomiasis

The three rocks statements below are observations of the same rock sample: - the rock has intergrown crystals from 2 to 3 millimeters in diameter - the minerals in the rock are gray feldspar, green pyroxene, and black amphibole -there are no visible

Most of cells work is carried out by___, which are made from many ___.