What prevents the total elimination of variation in a population when one variety is obviously more competitive in each environment? **use your knowledge of recessive and dominant alleles to help you**

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid