What are spiral bacteria called

Over time Pangaea broke apart to form other continents. Which modern-day continents composed Gondwanaland? A. North America, Europe, and most of Asia B. North America and South America C.

Which answer is not a mechanism for evolution1. Mutations 2. Natural Selections3. Genetic Drift 4. Gene Pool?

True or False Individuals evolve by developing traits that are better for survival and reproduction

2) Which term best describes energy transfer between trophic levels? A - average B - efficient C - inefficient D - high 3) Where would a primary producer be located in the food chain? A - first step B - middle step C - last step D - each step

A fatty acid contains primarily carbon and hydrogen atoms, and its hydrocarbon tail is very hydrophobic. What kind of interaction can occur between hydrocarbon tails of fatty acids?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.