Sven discovered a new organism. It is unicellular, has no nucleus, and its cell wall lacks peptidoglycan. To which domain does Sven's new organism belong? a- Archaea
b- Bacteria
c- Eukarya

According to the cladogram, which organisms have roundworms as a common ancestor?

Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass