Which of the following might be a density-independent limiting factor for a group of kangaroo rats? Group of answer choices

flash floods

predators

disease

amount of grass

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

Archaebacteria use for movement. celia flagella pili cell walls

People with one sickle cell allele are not likely to get malaria. what is this an example of?