A forest burned by wildfire slowly develops a new community of plants and animals. What is this an example of?

A. secondary succession

B. introduction of a non-native species

C. establishment of a keystone species

D. primary succession

Which is the first type of cell to differentiate?

What property of water results from the high cohesion between water molecules?

Which is the result of genetic drift? A) increase in the size of the gene pool B) a decrease in genetic diversity C) an increase in total allelic frequency D) decrease in the size of the population

Which statement about enzymes is true? An enzyme functions to increase the activation energy in a reacton. Enzymes are proteins that function as catalysts in nonliving things. Each enzyme can catalyze many different biochemical reactions.

Which term describes the scientific process used to modify DNA in order to produce herbicide-tolerant crops? A. crossing-over B. episodic speciation C. genetic engineering D. gamete fusion

What are facts about embryonic stem cell research?

What does the following is not true ATP is formed by glycolysis

In the vacuum of outer space, these waves are not transmitted. A. amplitude B. crest C. electromagnetic radiation D. frequency E. longitudinal waves F. sound waves G. surface waves H. transverse waves trough wavelength

What is law according to science

Why did the Hutus in Rwanda hold a deep hatred for the Tutsis? A. The Tutsis unrelentingly persecuted the Hutus when they were in power. B. The Tutsis were a minority who had historically ruled over the Hutus. C.