What is the importance of having different types of consumers , rather than having only one type

Which is required for sexual fissiondiploid cell productionmeiosis

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

Archaebacteria use for movement. celia flagella pili cell walls