Which landform is created by a glacier? A. alluvial fan B. Moraine C. Delta D. Sand dune

In biology, a trait that arose in an ancestor and is passed along to its descendants is referred to as a A) Derived character B) Taxonomic group C) Molecular clock D) Physical similarity

Which enzyme seals nicks and joins okazaki fragments? dna polymerase i dna gyrase dna primase dna ligase dna helicase?

What causes platelets to become sticky platelets

How are lactic acid fermentation and aerobic respiration different?

Do predators really kill only the old and sick prey? What evidence is there for this statement?

Which organisms are prokaryotes a. Archaea b. Fungi c. Protist d. Plants

A population of lizards that originally had no predators lived on a small isolated island. Predators of the lizards were accidently introduced to the island from a visiting ship.

If there are 50 kcal of energy in the tertiary consumer trophic level, how many kcal would you expect to find in the primary consumer level

The plasma membranes of some plant cells use transport proteins to move protons out of the cell against their concentration gradient (from areas of low proton concentration to areas of high proton concentration). this is an example of:

What is algae? and where is come from?