Express the following number in scientific notation. 0.53000

A student made this diagram after observing the organisms of a model ecosystem in a large terrarium. Flies Crickets Pill bugs Grass Marigolds Which food chain shows a path of energy flow in the student's model?

Which of the following biological factors plays a role in the development of generalized anxiety disorder? a. elevated levels of lactate b. deficient levels of the neurotransmitter GABA c. enlarged fluid-filled spaces in the brain d.

If an experiment's results are accurate, when the experiment is repeated by another scientist, the results

During which of the following metabolic processes is most of the co2 from the catabolism of glucose is released? a) glycolysis b) electron transport c) chemiosmosis d) the cytric acid cycle

Incomplete dominance occurs when A. both alleles are expressed equally in the phenotype. B. both alleles are completely dominant. C. both alleles are completely recessive. D. the dominant allele is not entirely dominant.

Why can many ecosystems exist in one boime

Filtration in the glomerulus is specific. a. True b. False

3. Which process makes sexual reproduction possible and also increases the variation of inherited traits? a. The wrapping of DNA around histones b. Meiosis c. Gene expression d. Mitosis

How do trees improve water quality? a. Tree roots anchor soil in place, preventing runoff. b. Water is filtered as it passes through the root systems of trees. c. An adult tree can store nearly 250 gallons of water. d. All of the above

Which statement describes a property of both prokaryotic and eukaryotic cells