Which of the following pairs interacts with one another in a competitive manner? a. a bird and the snake that preys on the bird’s eggs. b. a bird and the mite that lives on the bird’s body. c. two birds of the same or different species living in different areas. d. two birds of the same or different species living in the same area

What are the similarities between photosynthetic and anaerobic organisms?

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.