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

Scientists produce plants from tissue culture in the lab. The new plants are produced under sterile conditions, to produce clones of the parent plant. The new plants A) have traits of both parents. B) are identical to the parent plant.

What does work depend on its scientific terms

What 2 types of causation must be proven in a negligence action? (select 2) a. proximate cause. b. assumption of the risk. c. actual cause. d. punitive damages?

Yay Sachs disease is a disorder characterized by an accumulation of fatty substances called gangliosides in the brain and spinal cord. One cause of the diseas is a mutation in the gene sequence that codes for the enzyme hexosaminidase A.

In testing a hypothesis thatʺterritorial defense in European robins is a fixed action pattern that isreleased by the sight of orange feathers,ʺresearchers found that robins defended their territory byattacking anything that was of similar size and

An experimental protocol requires that a nutrient deficiency be induced to assess its effects on memory. What is the most appropriate study design to use to address this question? a. randomized controlled trial b. epidemiological study c.

Which of the following statements concerning enzymes is FALSE? A) They are usually, but not always, proteins. B) They function best at 37°C. C) They can be denatured if the pH of their environment is too high or too low.

What is Infrared radiation?

1. Define isometric contraction and describe an example Isometric contraction occurs when the muscle is activated but held at a fixed length. An example would be the muscles of the leg when holding oneself in a squat position. 2.

To prepare tge 5% calcium chloride solution called for in question 1b, how many moles of calcium chloride did you add? What was the molarity of that solution?