Which organism in an ecosystem is likely to be found at the top of an energy pyramid?

What is unusual about the genetically-inherited mitochondrial disease LHON as compared to the genetically-inherited disease sickle cell anemia?

3) Which one of the following factors generally causes the quickest loss of species diversity within an individual ecosystem? A) Over-harvesting B) Habitat loss C) Introduced species D) Pollution

The microscope you are coloring and labeling is what type of microscope?

A cell in prophase ii of meiosis contains 12 chromosomes. how many chromosomes would be present in a cell from the same organism if it were in prophase i of meiosis? a. 6 b. 12 c. 24 d. 48 e. no correct answer is listed.

What were the results of the miller-urey experiment

What is the role of a Keystone species in an ecosystem?

What happens during telophase

A construction company plans to set up business in a specific location near a river. In your own words, explain the potential impacts on the economy, environment, and water cycle.

1) Why do sandy sea floors have very little marine life?

What is the function of cell wall?