What is the primary difference between a food web and a food chain?

a) Chains contain many food webs

b) Webs contain several food chains

c) Omnivores are found only in food webs

d) First-level carnivores are unique to food chains

During transcription, adenine is complementary of what nucleotide?

Mental illness is the second leading cause of disability in the united states. a. True b. False

Differentiate between the geology of the continents of the Paleozoic, Mesozoic, and Cenozoic eras.

Suppose that the string of A nucleotides following the inverted repeat in a rho-independent terminator was deleted but that the inverted repeat was left intact.

Un modelo atomico es una representacion estructural que muestra las propiedades y funciones del atomo. El modelo actual del atomo se compone de una

Match the following terms to their definitions. a. empirical evidenceb. independent variable c. dependent variable d. controle. hypothesis1. the variable that changes in response to experimentation 2. data or facts that can be observed 3.

What determines the genotype of an organism A. the foods the organisms eats during its life B. The number of children the organism has C. The alleles that are passed from parents to offspring D. The amount of sleep the organism gets

The sensory division of the nervous system carries nerve impulses from

In the respiration equation does energy act as a reactant or a product

Describe the flow of energy as it flows up an energy pyrsmid