If you measured the ld50 for a particular chemical, you would know:

Some animals that are scavengers can eat bacteria-laden meat that would harm humans. Which of the following best explains why these bacteria would harm a human, but not a scavenger?

Which of the following organisms does not rely on krill as a major food source? Adelie penguins Leopard seal Humpback whale Squid

Which atp production would be sufficient to run in place for one minute?

Why do chromosomes form?

Which statement is true of both active transport and facilitated diffusion a:Both require ATP b:Both involve proteins in the cell membrane c:Both occur in only one direction d:Both move materials down a concentration gradient

Compare and contrast streams and rivers Compare and contrast ponds and lakes

Why does a cell need to replicate its DNA quickly?

What do the esophagus and the stomach have in common? A. Both contain chyme. B. Both contain partially digested food. C. Both contain waste material ready for removal. D. Both contain stored food.

Most organisms cannot live in temperatures: a: above 0°C b: above 50°C c: below 50°C

Is a flower a monocots and dicots