Why are coal, natural gas and oil referred to as fossil fuels?

What is the shortest period in which a population of darwin's finches can evolve?

Which of the following is true for a cell that has a flagellum? It cannot be a part of a multicellular organism. It cannot be a part of the oldest known fossil. It cannot have a cell membrane. It cannot have ribosomes.

Describe how a vehicular texture is produced in a volcanic rock

Choose the ionic compound from the following choices (not multiple choice, more than one answer) A. Carbon monoxide B. Potassium bromide C. Phosphorus trifluoride D. Cesium chloride

Having hair on the back of the hand is a dominant traitand not having the hair is a reccesive trait Which set of parents will have only children without hair on the backs of their hand a.

The major effect of genetic drift is: A) The reduction in genetic variability B) An increase in genetic variation to accommodate changes in abiotic conditions C) no change in population size but an increase in favorable alleles D) a reduction in

List some ways of plant cells are made of cellulose

Prokaryotic cells have a simpler structure than eukaryotic cells. Evidence shows that eukaryotic cells evolved from prokaryotic cells. Some might argue that prokaryotic cells are less important than eukaryotic cells.

Which of these facts about wild boars is best supported by the evidence provided? Wild boars were brought to the United States by humans. Wild boars have quickly spread through the United States.

Which of the mechanisms below increases the amount of genetic variations in a population? a. Genetic drift b. Gene flow c. Bottleneck effect d. Founder effect