Practice Questions

TLS Online TPP Program

#Question id: 5029

Which of the following was the least likely factor causing the Cambrian explosion?

#11. Evolution and Behavior

the emergence of predator-prey relationships between animals
the accumulation of diverse adaptations, such as shells and different modes of locomotion
the movement of animals onto land
the evolution of Hox genes that controlled development

More Questions

#Question id: 3033

#2. Cellular Organization

Which phase shows the reproduction rate equal to the equivalent death rate?

#Question id: 3034

#2. Cellular Organization

Cyanobacteria are

#Question id: 3035

#2. Cellular Organization

The equation used to obtain bacterial population by binary fission is

#Question id: 3036

#2. Cellular Organization

During which phase would penicillin, an antibiotic that inhibits cell-wall synthesis, be most effective?

#Question id: 3038

#2. Cellular Organization

If a culture starts with 50 cells, how many cells will be present after five generations with no cell death?

#Question id: 3040

#2. Cellular Organization

Which of the following is electron source for lithotrophs microorganisms?